[Rayon Rando](https://www.rayonrando.com/en/)

![Rayon Rando](https://rayonrando-medias.s3.fr-par.scw.cloud/products/content/722b57a9ae/logo.svg)

Delivery for €1 on orders from €120

[Since 2007](https://www.rayonrando.com/en/content/23-a-hiker-s-story-since-2007)

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## Navigation

- [Sleeping gear](https://www.rayonrando.com/en/236-sleeping-gear)
  - - [Tents](https://www.rayonrando.com/en/238-hiking-tents)
      - [Lightweight hiking tents](https://www.rayonrando.com/en/124-lightweight-hiking-tents)
      - [Cycle touring tents with large porches](https://www.rayonrando.com/en/494-cycle-touring-tents-with-large-porches)
      - [Robust 3- and 4-season tents](https://www.rayonrando.com/en/125-robust-3-and-4-season-tents)
      - [Comfort hiking and camping tents](https://www.rayonrando.com/en/120-comfort-hiking-and-camping-tents)
      - [Family camping tents](https://www.rayonrando.com/en/98-family-camping-tents)
    - Shelters
      - [Tarps and bushcraft bivouac shelters](https://www.rayonrando.com/en/474-tarps-and-bushcraft-bivouac-shelters)
      - [Tipis and camouflage tents](https://www.rayonrando.com/en/490-tipis-and-camouflage-tents)
    - Accessories
      - [Tent accessories](https://www.rayonrando.com/en/99-tent-accessories)
      - [Tent groundsheets](https://www.rayonrando.com/en/518-tent-groundsheets)
  - - [Sleeping bags](https://www.rayonrando.com/en/249-hiking-sleeping-bags)
      - [Sleeping bags +15°C to +10°C](https://www.rayonrando.com/en/10-sleeping-bags-15c-to-10c)
      - [Sleeping bags +10°C to +5°C](https://www.rayonrando.com/en/11-sleeping-bags-10c-to-5c)
      - [Sleeping bags +5°C to 0°C](https://www.rayonrando.com/en/12-sleeping-bags-5c-to-0c)
      - [Sleeping bags -1°C to -5°C](https://www.rayonrando.com/en/84-sleeping-bags-1c-to-5c)
      - [Extreme cold sleeping bags below -6°C](https://www.rayonrando.com/en/170-extreme-cold-sleeping-bags-below-6c)
      - [Lightweight sleeping bags](https://www.rayonrando.com/en/132-lightweight-sleeping-bags)
      - [Rectangular sleeping bags](https://www.rayonrando.com/en/114-rectangular-sleeping-bags)
      - [Long sleeping bags](https://www.rayonrando.com/en/465-long-sleeping-bags)
      - [Children's and short sleeping bags](https://www.rayonrando.com/en/33-children-s-and-short-sleeping-bags)
      - [Camouflage sleeping bags](https://www.rayonrando.com/en/477-camouflage-sleeping-bags)
  - - [Sleeping mats](https://www.rayonrando.com/en/250-hiking-sleeping-mats)
      - [Lightweight inflatable sleeping mats](https://www.rayonrando.com/en/156-lightweight-inflatable-sleeping-mats)
      - [Inflatable camping mattresses](https://www.rayonrando.com/en/76-inflatable-camping-mattresses)
      - [Lightweight self-inflating sleeping mats](https://www.rayonrando.com/en/77-lightweight-self-inflating-sleeping-mats)
      - [Comfort self-inflating sleeping mats](https://www.rayonrando.com/en/78-comfort-self-inflating-sleeping-mats)
      - [Foam sleeping mats](https://www.rayonrando.com/en/81-foam-sleeping-mats)
  - - [Sleeping gear accessories](https://www.rayonrando.com/en/251-sleeping-gear-accessories)
      - [Sleeping bag liners](https://www.rayonrando.com/en/79-sleeping-bag-liners)
      - [Hiking pillows](https://www.rayonrando.com/en/367-hiking-pillows)
      - [Hammocks / camp beds](https://www.rayonrando.com/en/96-hammocks-camp-beds)
      - [Waterproof bivvy bags](https://www.rayonrando.com/en/82-waterproof-bivvy-bags)
      - [Compression sacks](https://www.rayonrando.com/en/368-compression-sacks)
    - Special offers
      - [Sleeping gear offers](https://www.rayonrando.com/en/470-sleeping-gear-offers)
      - [Tent offers](https://www.rayonrando.com/en/460-tent-offers)
  - - [Our advice](https://www.rayonrando.com/en/content/category/4-advice)
      - [How to choose your sleeping bag's temperature rating](https://www.rayonrando.com/en/content/119-how-to-choose-your-sleeping-bag-s-temperature-rating)
      - [How to choose a sleeping bag for hiking](https://www.rayonrando.com/en/content/17-how-to-choose-a-sleeping-bag-for-hiking)
      - [How to care for your down sleeping bag and jacket](https://www.rayonrando.com/en/content/72-how-to-care-for-your-down-sleeping-bag-and-jacket)
      - [How to stay warm in your sleeping bag](https://www.rayonrando.com/en/content/83-how-to-stay-warm-in-your-sleeping-bag)
      - [The best extreme-cold sleeping bags](https://www.rayonrando.com/en/content/85-the-best-extreme-cold-sleeping-bags)
      - [The best ultralight sleeping bags](https://www.rayonrando.com/en/content/107-the-best-ultralight-sleeping-bags)
      - [Which sleeping bag for the Camino de Santiago?](https://www.rayonrando.com/en/content/96-which-sleeping-bag-for-the-camino-de-santiago)
    - - [How to choose a hiking sleeping mat](https://www.rayonrando.com/en/content/175-how-to-choose-a-hiking-sleeping-mat)
      - [Inflate your sleeping mat effortlessly](https://www.rayonrando.com/en/content/60-inflate-your-sleeping-mat-effortlessly)
      - [The best insulated trekking mats](https://www.rayonrando.com/en/content/89-the-best-insulated-trekking-mats)
      - [The best Therm-a-Rest inflatable sleeping mats](https://www.rayonrando.com/en/content/143-the-best-therm-a-rest-inflatable-sleeping-mats)
      - [Insulated sleeping mats: what is R-value?](https://www.rayonrando.com/en/content/54-insulated-sleeping-mats-what-is-r-value)
    - - [Minor hiking repairs: carrying the right kit](https://www.rayonrando.com/en/content/159-minor-hiking-repairs-carrying-the-right-kit)
    - - [How to equip yourself for the Camino de Santiago](https://www.rayonrando.com/en/content/203-how-to-equip-yourself-for-the-camino-de-santiago)
      - [Sleeping warm in survival situations: common mistakes](https://www.rayonrando.com/en/content/223-sleeping-warm-in-survival-situations-common-mistakes)
- [Bag](https://www.rayonrando.com/en/237-hiking-backpacks)
  - - [Hiking backpack](https://www.rayonrando.com/en/252-hiking-backpacks)
      - [10–20 L hiking backpacks](https://www.rayonrando.com/en/438-1020-l-hiking-backpacks)
      - [20–30 L hiking backpacks](https://www.rayonrando.com/en/91-2030-l-hiking-backpacks)
      - [35–45 L hiking backpacks](https://www.rayonrando.com/en/93-3545-l-hiking-backpacks)
      - [50–55 L hiking backpacks](https://www.rayonrando.com/en/89-5055-l-hiking-backpacks)
      - [60–70 L hiking backpacks](https://www.rayonrando.com/en/88-6070-l-hiking-backpacks)
      - [70–85 L hiking backpacks](https://www.rayonrando.com/en/87-7085-l-hiking-backpacks)
  - - [Backpack](https://www.rayonrando.com/en/252-hiking-backpacks)
      - [Cycling and mountain biking hydration packs](https://www.rayonrando.com/en/112-cycling-and-mountain-biking-hydration-packs)
      - [Waterproof backpacks](https://www.rayonrando.com/en/467-waterproof-backpacks)
      - [Daypacks](https://www.rayonrando.com/en/115-daypacks)
      - [Mountaineering / ski backpacks](https://www.rayonrando.com/en/123-mountaineering-ski-backpacks)
      - [Children's backpacks](https://www.rayonrando.com/en/117-children-s-backpacks)
  - - [Accessories](https://www.rayonrando.com/en/95-backpack-accessories)
      - [Waterproof storage bags](https://www.rayonrando.com/en/134-waterproof-storage-bags)
      - [Storage bags](https://www.rayonrando.com/en/372-storage-bags)
      - [Backpack covers](https://www.rayonrando.com/en/133-backpack-covers)
      - [Backpack accessories](https://www.rayonrando.com/en/95-backpack-accessories)
      - [MOLLE pouches and bags](https://www.rayonrando.com/en/485-molle-pouches-and-bags)
  - - Special offers
      [Backpack offers](https://www.rayonrando.com/en/promos/promos-sac-a-dos)
  - - [Our advice](https://www.rayonrando.com/en/content/category/4-advice)
      - [Choosing a backpack to suit your size](https://www.rayonrando.com/en/content/59-choosing-a-backpack-to-suit-your-size)
      - [How to pack your hiking backpack properly](https://www.rayonrando.com/en/content/200-how-to-pack-your-hiking-backpack-properly)
      - [How to choose a hiking backpack](https://www.rayonrando.com/en/content/18-how-to-choose-a-hiking-backpack)
      - [Choosing a cycle touring backpack, and when to avoid one](https://www.rayonrando.com/en/content/228-choosing-a-cycle-touring-backpack-and-when-to-avoid-one)
      - [How to adjust a hiking backpack in 7 steps](https://www.rayonrando.com/en/content/16-how-to-adjust-a-hiking-backpack-in-7-steps)
      - [The best Gregory backpacks for hiking](https://www.rayonrando.com/en/content/170-the-best-gregory-backpacks-for-hiking)
      - [Which hiking backpack should you choose if you are short?](https://www.rayonrando.com/en/content/209-which-hiking-backpack-should-you-choose-if-you-are-short)
      - [Which backpack for a day hike?](https://www.rayonrando.com/en/content/185-which-backpack-for-a-day-hike)
      - [Which carrying system for my backpack?](https://www.rayonrando.com/en/content/204-which-carrying-system-for-my-backpack)
      - [Lightweight or comfortable backpack: the right balance](https://www.rayonrando.com/en/content/167-lightweight-or-comfortable-backpack-the-right-balance)
    - - [How to choose your tactical backpack](https://www.rayonrando.com/en/content/37-how-to-choose-your-tactical-backpack)
      - [What is the MOLLE system for backpacks?](https://www.rayonrando.com/en/content/38-what-is-the-molle-system-for-backpacks)
    - - [Minor hiking repairs: carrying the right kit](https://www.rayonrando.com/en/content/159-minor-hiking-repairs-carrying-the-right-kit)
    - - [How to equip yourself for the Camino de Santiago](https://www.rayonrando.com/en/content/203-how-to-equip-yourself-for-the-camino-de-santiago)
- [Clothing](https://www.rayonrando.com/en/239-clothing)
  - - [Rainwear](https://www.rayonrando.com/en/255-hiking-rainwear)
      - [Men's waterproof jackets](https://www.rayonrando.com/en/32-men-s-waterproof-jackets)
      - [Women's waterproof jackets](https://www.rayonrando.com/en/35-women-s-waterproof-jackets)
      - [Rain ponchos](https://www.rayonrando.com/en/111-rain-ponchos)
      - [Waterproof trousers](https://www.rayonrando.com/en/121-waterproof-trousers)
      - [Gaiters](https://www.rayonrando.com/en/370-gaiters)
    - [Footwear](https://www.rayonrando.com/en/51-hiking-footwear)
      - [Men's hiking footwear](https://www.rayonrando.com/en/52-men-s-hiking-footwear)
      - [Women's hiking footwear](https://www.rayonrando.com/en/53-women-s-hiking-footwear)
      - [Hiking sandals](https://www.rayonrando.com/en/471-hiking-sandals)
      - [Insoles and footwear care](https://www.rayonrando.com/en/8-insoles-and-footwear-care)
  - - [Men's clothing](https://www.rayonrando.com/en/253-men-s-hiking-clothing)
      - [Men's waterproof jackets](https://www.rayonrando.com/en/32-men-s-waterproof-jackets)
      - [Men's fleeces](https://www.rayonrando.com/en/13-men-s-fleeces)
      - [Men's thermal underwear](https://www.rayonrando.com/en/5-men-s-thermal-underwear)
      - [Men's merino T-shirts](https://www.rayonrando.com/en/4-men-s-merino-t-shirts)
      - [Men's hiking shorts / trousers](https://www.rayonrando.com/en/101-men-s-hiking-shorts-trousers)
  - - [Women's clothing](https://www.rayonrando.com/en/254-women-s-hiking-clothing)
      - [Women's waterproof jackets](https://www.rayonrando.com/en/35-women-s-waterproof-jackets)
      - [Women's fleeces](https://www.rayonrando.com/en/102-women-s-fleeces)
      - [Women's thermal underwear](https://www.rayonrando.com/en/369-women-s-thermal-underwear)
      - [Women's merino T-shirts](https://www.rayonrando.com/en/30-women-s-merino-t-shirts)
      - [Women's hiking shorts / trousers](https://www.rayonrando.com/en/26-women-s-hiking-shorts-trousers)
  - - [Head, hands and feet](https://www.rayonrando.com/en/256-head-hands-and-feet)
      - [Hiking socks](https://www.rayonrando.com/en/19-hiking-socks)
      - [Running socks](https://www.rayonrando.com/en/153-running-socks)
      - [Hats / caps](https://www.rayonrando.com/en/22-hats-caps)
      - [Gloves](https://www.rayonrando.com/en/14-gloves)
      - [Hats / balaclavas](https://www.rayonrando.com/en/100-hats-balaclavas)
    - [Clothing care](https://www.rayonrando.com/en/371-clothing-care)
      - [Clothing care](https://www.rayonrando.com/en/371-clothing-care)
    - Special offers
      [Men's clothing offers](https://www.rayonrando.com/en/promos/promos-textile-homme)
      [Women's clothing offers](https://www.rayonrando.com/en/promos/promos-textile-femme)
      [Glove, hat and sock offers](https://www.rayonrando.com/en/promos/promos-gants-bonnets-chaussettes)
  - - [Our advice](https://www.rayonrando.com/en/content/category/4-advice)
      - [Rain poncho or hiking rain jacket: how to choose](https://www.rayonrando.com/en/content/53-rain-poncho-or-hiking-rain-jacket-how-to-choose)
      - [Choosing a waterproof hiking jacket](https://www.rayonrando.com/en/content/27-choosing-a-waterproof-hiking-jacket)
      - [How to care for your waterproof jacket](https://www.rayonrando.com/en/content/111-how-to-care-for-your-waterproof-jacket)
      - [How to choose waterproof trousers](https://www.rayonrando.com/en/content/142-how-to-choose-waterproof-trousers)
      - [What to wear on a multi-day trek](https://www.rayonrando.com/en/content/169-what-to-wear-on-a-multi-day-trek)
      - [Rain poncho comparison](https://www.rayonrando.com/en/content/94-rain-poncho-comparison)
      - [Waterproof or watertight: what is the difference?](https://www.rayonrando.com/en/content/88-waterproof-or-watertight-what-is-the-difference)
      - [The 3-layer system: how does it work?](https://www.rayonrando.com/en/content/202-the-3-layer-system-how-does-it-work)
    - - [Merino wool for hiking: what are the benefits?](https://www.rayonrando.com/en/content/139-merino-wool-for-hiking-what-are-the-benefits)
    - - [How to equip yourself for the Camino de Santiago](https://www.rayonrando.com/en/content/203-how-to-equip-yourself-for-the-camino-de-santiago)
- [Cycling](https://www.rayonrando.com/en/240-cycle-touring)
  - - [Bike panniers and bags](https://www.rayonrando.com/en/39-bike-panniers-and-bags)
      - [Bike panniers: front and rear](https://www.rayonrando.com/en/41-bike-panniers-front-and-rear)
      - [Bike bags: saddle and frame](https://www.rayonrando.com/en/42-bike-bags-saddle-and-frame)
      - [Bike bags: handlebar](https://www.rayonrando.com/en/40-bike-bags-handlebar)
  - - [Cyclist equipment](https://www.rayonrando.com/en/257-cyclist-equipment)
      - [Cycling and mountain biking hydration packs](https://www.rayonrando.com/en/112-cycling-and-mountain-biking-hydration-packs)
      - [Clothing and accessories](https://www.rayonrando.com/en/162-clothing-and-accessories)
      - [Rain ponchos](https://www.rayonrando.com/en/111-rain-ponchos)
      - [Waterproof trousers](https://www.rayonrando.com/en/121-waterproof-trousers)
  - - [Bike equipment](https://www.rayonrando.com/en/258-bicycle-equipment)
      - [Cycling accessories](https://www.rayonrando.com/en/135-cycling-accessories)
      - [Bike lights](https://www.rayonrando.com/en/155-bike-lights)
      - [Water bottles / bottle cages](https://www.rayonrando.com/en/113-water-bottles-bottle-cages)
  - - Cycle camping
      - [Lightweight hiking tents](https://www.rayonrando.com/en/124-lightweight-hiking-tents)
      - [Cycle touring tents with large porches](https://www.rayonrando.com/en/494-cycle-touring-tents-with-large-porches)
    - - [Lightweight inflatable sleeping mats](https://www.rayonrando.com/en/156-lightweight-inflatable-sleeping-mats)
      - [Lightweight self-inflating sleeping mats](https://www.rayonrando.com/en/77-lightweight-self-inflating-sleeping-mats)
      - [Lightweight sleeping bags](https://www.rayonrando.com/en/132-lightweight-sleeping-bags)
    - - [Gas stoves and fuel](https://www.rayonrando.com/en/46-gas-stoves-and-fuel)
      - [Sports energy food](https://www.rayonrando.com/en/55-sports-energy-food)
      - [Freeze-dried meals and soups](https://www.rayonrando.com/en/6-freeze-dried-meals-and-soups)
      - [Camping cookware sets](https://www.rayonrando.com/en/58-camping-cookware-sets)
      - [Freeze-dried breakfasts and desserts](https://www.rayonrando.com/en/54-freeze-dried-breakfasts-and-desserts)
  - - [Our advice](https://www.rayonrando.com/en/content/category/4-advice)
      - [How to organise your bags for a cycling trip](https://www.rayonrando.com/en/content/234-how-to-organise-your-bags-for-a-cycling-trip)
      - [How to choose bike panniers and bags](https://www.rayonrando.com/en/content/189-how-to-choose-bike-panniers-and-bags)
      - [Choosing a cycle touring backpack, and when to avoid one](https://www.rayonrando.com/en/content/228-choosing-a-cycle-touring-backpack-and-when-to-avoid-one)
      - [Managing heat and hydration on summer cycling trips](https://www.rayonrando.com/en/content/221-managing-heat-and-hydration-on-summer-cycling-trips)
      - [How to equip yourself for cycle touring](https://www.rayonrando.com/en/content/35-how-to-equip-yourself-for-cycle-touring)
      - [Camping equipment and cyclists' kit for cycle touring](https://www.rayonrando.com/en/content/36-camping-equipment-and-cyclists-kit-for-cycle-touring)
      - [How to stay dry when cycling in rain](https://www.rayonrando.com/en/content/201-how-to-stay-dry-when-cycling-in-rain)
      - [Bike luggage: lightweight bikepacking or cycle touring?](https://www.rayonrando.com/en/content/215-bike-luggage-lightweight-bikepacking-or-cycle-touring)
- [Walking](https://www.rayonrando.com/en/244-for-walking)
  - - [Poles](https://www.rayonrando.com/en/107-poles)
      - [Trekking poles](https://www.rayonrando.com/en/397-trekking-poles)
      - [Trail running poles](https://www.rayonrando.com/en/398-trail-running-poles)
      - [Walking sticks](https://www.rayonrando.com/en/400-walking-sticks)
      - [Trekking pole accessories](https://www.rayonrando.com/en/401-trekking-pole-accessories)
    - [Hiking footwear](https://www.rayonrando.com/en/51-hiking-footwear)
      - [Men's hiking footwear](https://www.rayonrando.com/en/52-men-s-hiking-footwear)
      - [Women's hiking footwear](https://www.rayonrando.com/en/53-women-s-hiking-footwear)
      - [Hiking sandals](https://www.rayonrando.com/en/471-hiking-sandals)
      - [Insoles and footwear care](https://www.rayonrando.com/en/8-insoles-and-footwear-care)
    - [Hiking socks](https://www.rayonrando.com/en/256-head-hands-and-feet)
      - [Hiking socks](https://www.rayonrando.com/en/19-hiking-socks)
      - [Running socks](https://www.rayonrando.com/en/153-running-socks)
  - - Instruments
      - [Solar chargers and power banks](https://www.rayonrando.com/en/61-solar-chargers-and-power-banks)
      - [Binoculars](https://www.rayonrando.com/en/71-binoculars)
      - [Compasses / map cases](https://www.rayonrando.com/en/36-compasses-map-cases)
    - [Lighting](https://www.rayonrando.com/en/264-lighting)
      - [Torches](https://www.rayonrando.com/en/48-torches)
      - [Lanterns and camping lights](https://www.rayonrando.com/en/62-lanterns-and-camping-lights)
      - [Head torches](https://www.rayonrando.com/en/72-head-torches)
  - - [Mandatory trail running equipment](https://www.rayonrando.com/en/517-mandatory-ultra-trail-equipment)
      - [Mandatory ultra-trail equipment](https://www.rayonrando.com/en/517-mandatory-ultra-trail-equipment)
    - [Snow](https://www.rayonrando.com/en/241-snow)
      - [Snowshoes](https://www.rayonrando.com/en/20-snowshoes)
      - [Crampons and snow accessories](https://www.rayonrando.com/en/50-crampons-and-snow-accessories)
  - - [Our advice](https://www.rayonrando.com/en/content/category/4-advice)
      - [Folding or telescopic trekking poles: how to choose](https://www.rayonrando.com/en/content/71-folding-or-telescopic-trekking-poles-how-to-choose)
      - [How to choose walking poles](https://www.rayonrando.com/en/content/32-how-to-choose-walking-poles)
      - [Should you use trekking poles?](https://www.rayonrando.com/en/content/98-should-you-use-trekking-poles)
      - [The 10 best trekking poles](https://www.rayonrando.com/en/content/112-the-10-best-trekking-poles)
    - - [Firm or flexible hiking footwear?](https://www.rayonrando.com/en/content/117-firm-or-flexible-hiking-footwear)
      - [Choosing between high-cut and low-cut hiking footwear](https://www.rayonrando.com/en/content/55-choosing-between-high-cut-and-low-cut-hiking-footwear)
      - [Hiking footwear care: the essential guide to lasting use](https://www.rayonrando.com/en/content/211-hiking-footwear-care-the-essential-guide-to-lasting-use)
      - [How to prevent blisters when hiking](https://www.rayonrando.com/en/content/158-how-to-prevent-blisters-when-hiking)
      - [Video advice on choosing hiking footwear](https://www.rayonrando.com/en/content/21-video-advice-on-choosing-hiking-footwear)
    - - [How to choose a head torch](https://www.rayonrando.com/en/content/195-how-to-choose-a-head-torch)
      - [How to choose a trail running head torch](https://www.rayonrando.com/en/content/212-how-to-choose-a-trail-running-head-torch)
      - [10 powerful head torches: choose by runtime and use](https://www.rayonrando.com/en/content/246-10-powerful-head-torches-choose-by-runtime-and-use)
      - [The 5 best Petzl head torches](https://www.rayonrando.com/en/content/138-the-5-best-petzl-head-torches)
      - [Our range of Armytek head torches](https://www.rayonrando.com/en/content/220-our-range-of-armytek-head-torches)
    - - [How to read an IGN map](https://www.rayonrando.com/en/content/152-how-to-read-an-ign-map)
      - [How to equip yourself for the Camino de Santiago](https://www.rayonrando.com/en/content/203-how-to-equip-yourself-for-the-camino-de-santiago)
      - [How to use a compass when hiking](https://www.rayonrando.com/en/content/20-how-to-use-a-compass-when-hiking)
      - [Mandatory trail running kit list](https://www.rayonrando.com/en/content/95-mandatory-trail-running-kit-list)
      - [Minor hiking repairs: carrying the right kit](https://www.rayonrando.com/en/content/159-minor-hiking-repairs-carrying-the-right-kit)
      - [What should a hiking first aid kit contain?](https://www.rayonrando.com/en/content/196-what-should-a-hiking-first-aid-kit-contain)
    - - [How to choose snowshoes](https://www.rayonrando.com/en/content/84-how-to-choose-snowshoes)
      - [What equipment do you need for snowshoeing?](https://www.rayonrando.com/en/content/199-what-equipment-do-you-need-for-snowshoeing)
      - [TSL snowshoes: which model should you choose?](https://www.rayonrando.com/en/content/188-tsl-snowshoes-which-model-should-you-choose)
- [Travel](https://www.rayonrando.com/en/242-for-travelling)
  - - [Hygiene](https://www.rayonrando.com/en/243-hygiene)
      - [Soaps and hygiene accessories](https://www.rayonrando.com/en/374-soaps-and-hygiene-accessories)
      - [Travel and hiking wash bags](https://www.rayonrando.com/en/49-travel-and-hiking-wash-bags)
      - [Hiking towels](https://www.rayonrando.com/en/119-hiking-towels)
    - [Health](https://www.rayonrando.com/en/443-health)
      - [Hiker's first aid](https://www.rayonrando.com/en/7-hiker-s-first-aid)
      - [Treated mosquito nets and insect repellent sprays](https://www.rayonrando.com/en/57-treated-mosquito-nets-and-insect-repellent-sprays)
      - [Water filtration and purification](https://www.rayonrando.com/en/59-water-filtration-and-purification)
      - [Tick protection](https://www.rayonrando.com/en/449-tick-protection)
  - - [Travel accessories](https://www.rayonrando.com/en/263-travel-accessories)
      - [Travel pillows, sleep masks and accessories](https://www.rayonrando.com/en/9-travel-pillows-sleep-masks-and-accessories)
      - [Solar chargers and power banks](https://www.rayonrando.com/en/61-solar-chargers-and-power-banks)
      - [Binoculars](https://www.rayonrando.com/en/71-binoculars)
    - [Protection & safety](https://www.rayonrando.com/en/262-protection-and-safety)
      - [Waist packs, pouches and money belts](https://www.rayonrando.com/en/43-waist-packs-pouches-and-money-belts)
      - [Protective covers](https://www.rayonrando.com/en/94-protective-covers)
      - [Waterproof storage bags](https://www.rayonrando.com/en/134-waterproof-storage-bags)
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      - [Storage bags](https://www.rayonrando.com/en/372-storage-bags)
  - - [Bags](https://www.rayonrando.com/en/261-bags)
      - [Cabin luggage](https://www.rayonrando.com/en/129-cabin-luggage)
      - [Travel bags and duffel bags](https://www.rayonrando.com/en/97-travel-bags-and-duffel-bags)
      - [Travel backpacks](https://www.rayonrando.com/en/130-travel-backpacks)
      - [Daypacks](https://www.rayonrando.com/en/115-daypacks)
  - - [Campervans & motorhomes](https://www.rayonrando.com/en/513-campervans-and-motorhomes)
      - [Campervan accessories](https://www.rayonrando.com/en/514-campervan-accessories)
      - [Camping and campervan showers and toilets](https://www.rayonrando.com/en/515-camping-and-campervan-showers-and-toilets)
      - [Campervan and motorhome cooking](https://www.rayonrando.com/en/516-campervan-and-motorhome-cooking)
    - [Lighting](https://www.rayonrando.com/en/264-lighting)
      - [Torches](https://www.rayonrando.com/en/48-torches)
      - [Lanterns and camping lights](https://www.rayonrando.com/en/62-lanterns-and-camping-lights)
      - [Head torches](https://www.rayonrando.com/en/72-head-torches)
    - [Camping accessories](https://www.rayonrando.com/en/263-travel-accessories)
      - [Camping chairs and armchairs](https://www.rayonrando.com/en/34-camping-chairs-and-armchairs)
      - [Camping kitchen accessories and furniture](https://www.rayonrando.com/en/110-camping-kitchen-accessories-and-furniture)
  - - [Our advice](https://www.rayonrando.com/en/content/category/4-advice)
      - [How to choose a power bank and solar panel](https://www.rayonrando.com/en/content/140-how-to-choose-a-power-bank-and-solar-panel)
      - [How to optimise your campervan equipment](https://www.rayonrando.com/en/content/113-how-to-optimise-your-campervan-equipment)
      - [How to wash on a trek](https://www.rayonrando.com/en/content/155-how-to-wash-on-a-trek)
      - [How to protect yourself from mosquitoes](https://www.rayonrando.com/en/content/123-how-to-protect-yourself-from-mosquitoes)
      - [Staying in a mountain hut with a child: what is it like?](https://www.rayonrando.com/en/content/156-staying-in-a-mountain-hut-with-a-child-what-is-it-like)
      - [Essential accessories for your travels](https://www.rayonrando.com/en/content/184-essential-accessories-for-your-travels)
      - [Minor hiking repairs: carrying the right kit](https://www.rayonrando.com/en/content/159-minor-hiking-repairs-carrying-the-right-kit)
      - [Preventing and managing altitude sickness](https://www.rayonrando.com/en/content/157-preventing-and-managing-altitude-sickness)
      - [Which safety accessories do you need for hiking?](https://www.rayonrando.com/en/content/99-which-safety-accessories-do-you-need-for-hiking)
      - [Sitting comfortably on the move](https://www.rayonrando.com/en/content/182-sitting-comfortably-on-the-move)
- [Cooking](https://www.rayonrando.com/en/245-eating-drinking-when-hiking)
  - - [Food](https://www.rayonrando.com/en/266-food-and-freeze-dried-meals)
      - [Sports energy food](https://www.rayonrando.com/en/55-sports-energy-food)
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      - [Freeze-dried breakfasts and desserts](https://www.rayonrando.com/en/54-freeze-dried-breakfasts-and-desserts)
      - [Self-heating meals and drinks](https://www.rayonrando.com/en/164-self-heating-meals-and-drinks)
  - - [Hydration](https://www.rayonrando.com/en/267-hydration)
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      - [Hydration reservoirs](https://www.rayonrando.com/en/109-hydration-reservoirs)
      - [Insulated bottles and food containers](https://www.rayonrando.com/en/145-insulated-bottles-and-food-containers)
  - - [Hiking and camping stoves](https://www.rayonrando.com/en/487-hiking-and-camping-stoves)
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  - - [Cooking utensils](https://www.rayonrando.com/en/268-cooking-utensils)
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  - - [Our advice](https://www.rayonrando.com/en/content/category/4-advice)
      - [How to filter water when hiking](https://www.rayonrando.com/en/content/163-how-to-filter-water-when-hiking)
      - [How to find drinking water when hiking](https://www.rayonrando.com/en/content/57-how-to-find-drinking-water-when-hiking)
      - [Hydration reservoir or bottle: which is best for hiking?](https://www.rayonrando.com/en/content/122-hydration-reservoir-or-bottle-which-is-best-for-hiking)
    - - [How to choose hiking cookware](https://www.rayonrando.com/en/content/141-how-to-choose-hiking-cookware)
      - [How to choose a hiking stove](https://www.rayonrando.com/en/content/207-how-to-choose-a-hiking-stove)
      - [How to save gas when hiking](https://www.rayonrando.com/en/content/116-how-to-save-gas-when-hiking)
      - [The 10 best hiking stoves](https://www.rayonrando.com/en/content/97-the-10-best-hiking-stoves)
      - [The best hiking cookware](https://www.rayonrando.com/en/content/206-the-best-hiking-cookware)
      - [Wood-burning hiking stoves: do they deliver the heat?](https://www.rayonrando.com/en/content/162-wood-burning-hiking-stoves-do-they-deliver-the-heat)
    - - [Freeze-dried meals vs traditional cooking on a hike](https://www.rayonrando.com/en/content/161-freeze-dried-meals-vs-traditional-cooking-on-a-hike)
      - [What food should you take on a self-supported hike?](https://www.rayonrando.com/en/content/181-what-food-should-you-take-on-a-self-supported-hike)
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  - - Survival and health
      - [Emergency shelters and survival blankets](https://www.rayonrando.com/en/492-emergency-shelters-and-survival-blankets)
    - - [Hiker's first aid](https://www.rayonrando.com/en/7-hiker-s-first-aid)
      - [Treated mosquito nets and insect repellent sprays](https://www.rayonrando.com/en/57-treated-mosquito-nets-and-insect-repellent-sprays)
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  - - [Our advice](https://www.rayonrando.com/en/content/category/4-advice)
      - [How to choose a bushcraft knife](https://www.rayonrando.com/en/content/39-how-to-choose-a-bushcraft-knife)
      - [How to choose your tactical backpack](https://www.rayonrando.com/en/content/37-how-to-choose-your-tactical-backpack)
      - [How to pitch a tarp: 6 setups explained step by step](https://www.rayonrando.com/en/content/219-how-to-pitch-a-tarp-6-setups-explained-step-by-step)
      - [Care and field sharpening for folding and bushcraft knives](https://www.rayonrando.com/en/content/218-care-and-field-sharpening-for-folding-and-bushcraft-knives)
      - [France's 72h emergency kit: a practical survival guide](https://www.rayonrando.com/en/content/236-france-s-72h-emergency-kit-a-practical-survival-guide)
      - [Which tarp for bushcraft and survival?](https://www.rayonrando.com/en/content/216-which-tarp-for-bushcraft-and-survival)
      - [What is the MOLLE system for backpacks?](https://www.rayonrando.com/en/content/38-what-is-the-molle-system-for-backpacks)
      - [Wood-burning hiking stoves: do they deliver the heat?](https://www.rayonrando.com/en/content/162-wood-burning-hiking-stoves-do-they-deliver-the-heat)
- [Knives](https://www.rayonrando.com/en/488-knives)
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  - - [Victorinox Swiss Army multitools](https://www.rayonrando.com/en/106-victorinox-swiss-army-multitools)
      - [Victorinox Swiss Army multitools](https://www.rayonrando.com/en/106-victorinox-swiss-army-multitools)
    - Fixed-blade bushcraft knives
      - [Fixed-blade bushcraft knives](https://www.rayonrando.com/en/478-fixed-blade-bushcraft-knives)
  - - [Our advice](https://www.rayonrando.com/en/content/category/4-advice)
      - [How to choose a bushcraft knife](https://www.rayonrando.com/en/content/39-how-to-choose-a-bushcraft-knife)
      - [How to choose a multifunction Swiss Army knife](https://www.rayonrando.com/en/content/238-how-to-choose-a-multifunction-swiss-army-knife)
      - [Care and field sharpening for folding and bushcraft knives](https://www.rayonrando.com/en/content/218-care-and-field-sharpening-for-folding-and-bushcraft-knives)
      - [Which pocket knife for outdoor activities or hiking?](https://www.rayonrando.com/en/content/214-which-pocket-knife-for-outdoor-activities-or-hiking)
      - [Surviving with only a knife: myth or reality?](https://www.rayonrando.com/en/content/242-surviving-with-only-a-knife-myth-or-reality)
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      - [Lightweight inflatable sleeping mats](https://www.rayonrando.com/en/156-lightweight-inflatable-sleeping-mats)
      - [Lightweight self-inflating sleeping mats](https://www.rayonrando.com/en/77-lightweight-self-inflating-sleeping-mats)
  - - [Lightweight tents](https://www.rayonrando.com/en/124-lightweight-hiking-tents)
      - [Lightweight hiking tents](https://www.rayonrando.com/en/124-lightweight-hiking-tents)
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      - [Lightweight backpacks](https://www.rayonrando.com/en/85-lightweight-backpacks)
  - - [Our advice](https://www.rayonrando.com/en/content/category/4-advice)
      - [The best ultralight sleeping bags](https://www.rayonrando.com/en/content/107-the-best-ultralight-sleeping-bags)
      - [Ultralight tents: what compromises?](https://www.rayonrando.com/en/content/56-ultralight-tents-what-compromises)
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---

# Insulated sleeping mats: what is R-value?

Source: https://www.rayonrando.com/en/content/54-insulated-sleeping-mats-what-is-r-value
Language: en

Comfort is not the only criterion when choosing a hiking mat. **Protection against cold from the ground matters just as much**, particularly when camping in mountains or cool weather.

This is precisely what **R-value** measures: an essential indicator for **comparing hiking mat thermal performance**. This **rating** measures a mat's **thermal insulation** from the ground. Whether summer trekking, three-season camping or winter hiking, understanding R-value helps you choose the right mat.

Higher R-values mean better insulation. A well-insulated mat does not generate warmth: it reduces body heat loss to the ground.

## How is heat lost through a sleeping mat?

Heat loss occurs for 3 reasons:

- **Convection**: warm air moves into contact with a cold surface (walls), loses heat and becomes colder and denser (liquid), forming condensation.
- **Conduction**: direct contact between a warm body and a colder sleeping surface transfers heat.
- **Radiation**: heat travels as electromagnetic thermal waves radiating from the heat source.

![](https://rayonrando-medias.s3.fr-par.scw.cloud/products/content/f775b1ead5/w/979.webp)

## Why does R-value matter for hiking?

When camping, **the ground absorbs a substantial proportion of your body heat**.

Even with an effective sleeping bag, you may feel cold if your mat lacks insulation. Body weight compresses the bag's filling, greatly reducing its insulating ability.

The mat becomes your main barrier against ground cold.

An appropriate R-value helps:

- **Retain more body heat**;
- **Improve** **sleep quality**;
- **Increase** **thermal comfort**;
- **Reduce** the **risk of discomfort** on cold nights.

## How does R-value work?

A mat's thermal resistance depends on several factors:

- Mat **thickness**;
- **Materials** used;
- **Internal insulation**;
- **Air chamber design**.

An inflatable mat incorporating synthetic or reflective insulation generally has a **higher R-value** than an ultralight summer model.

A **high R-value does not necessarily mean greater comfort**. It measures only **thermal performance**.

![](https://rayonrando-medias.s3.fr-par.scw.cloud/products/content/3a976ac83b/w/1572.webp)

## The ASTM standard: a reference for comparing mats

For years, each manufacturer used its own calculation method, making comparison difficult.

Brands now use **ASTM F3340** to **measure thermal resistance** through a standardised protocol. Independent laboratories test hiking mats according to specified procedures and conditions (ambient temperature, pressure on the mat, inflation level).

This makes **published values much more reliable and comparable** between brands.

The mat is placed between two plates in a chamber at 4°C:

- A top plate maintained at 35° simulates the human body, exerting constant pressure on the mat.
- A bottom plate maintained at 5° simulates the ground.

Sensors in the lower plate measure the energy needed to maintain a constant temperature.

When comparing mats, **always check that R-value was measured using this standard**.

![](https://rayonrando-medias.s3.fr-par.scw.cloud/products/content/2f3cfbd786/w/798.webp)

This gives a classification of **increasing insulation from 0 to 8.5**.

## Do R-values add together?

Yes, R-values can be added by **stacking** mats.

It may sound unusual, but offers an affordable way to improve **insulation**. Put a [foam mat](https://www.rayonrando.com/en/search?s=matelas+mousse) rated 2 beneath an [inflatable mat](https://www.rayonrando.com/fr/250-matelas-de-randonnee?q=Isolant+3+saisons+et+%2B-Oui%2C+R%5C-Value+sup%C3%A9rieure+2%2C5) rated 3, obtaining an R-value of 5 for occasional **winter camping**. Also useful for **cold sleepers** borrowing a friend's hiking mat: simply add an inexpensive foam mat.

![](https://rayonrando-medias.s3.fr-par.scw.cloud/products/content/b135a6d029/w/1643.webp)

Each brand interprets results in its own way:

### Nemo

![](https://rayonrando-medias.s3.fr-par.scw.cloud/products/content/a03fee3fe9/w/870.webp)

### Sea To Summit

![](https://rayonrando-medias.s3.fr-par.scw.cloud/products/content/2d3502b767/w/867.webp)

### Thermarest

![](https://rayonrando-medias.s3.fr-par.scw.cloud/products/content/28334d1b3f/w/819.webp)

RayonRando offers a simpler initial classification to make choosing easier (see the article's conclusion).

## Insulation: a little technical detail

2 elements provide mat insulation:

- **Several separate chambers**, containing independent air masses.
- **Specific insulation**: aluminised layers or Primaloft-type filling in inflatable mats, and varying insulating foams in self-inflating mats.

## How should you use R-value?

Beyond the precise rating, first ask: “Do I need an insulated mat?”

I find dedicated mat insulation useful in several situations:

- **Tent camping** in **cold weather** (or cold, damp weather), supplementing sleeping bag insulation.
- Particularly **camping on cold, damp ground**, **mainly in winter**, **camping on snow**, but also Nordic countries or high altitude, in a tent or directly on the ground.
- For **someone sensitive to cold** who doubts their sleeping bag's insulation. However, an insulated mat cannot compensate for a bag that is not warm enough.

Otherwise, an **insulated mat offers less benefit**, particularly for summer mountain camping, and even less under shelter rather than a tent. I do not use an insulated mat myself: my trips are in summer without the conditions above. Insulation adds clearer value for 4-season use.

- For **unexpected cold**, spread an **emergency blanket** beneath your mat to block ground cold.

![](https://rayonrando-medias.s3.fr-par.scw.cloud/products/content/7badbfb600/w/1479.webp)

## How to choose an insulated mat

### Which R-value for your activities?

The choice mainly depends on expected sleeping temperatures.

From around 2.5, a mat can be considered insulated. But which hiking mat should you choose across R-values from 2.5 to 8.5? Which R-value for winter? These indicative ranges may suit your circumstances:

### R-value 1 to 2: summer hiking

These mats suit **warm nights and summer camping.**

They offer several advantages:

- Low weight;
- Small packed size;
- Quick inflation.

However, they are **poorly suited to cool temperatures**.

*-> RayonRando recommends the [Golden Eagle Regular inflatable mat](https://www.rayonrando.com/en/lightweight-inflatable-sleeping-mats/13282-golden-eagle-regular-inflatable-sleeping-mat.html), offering good value and improved tent comfort, with enough thickness to keep you off the ground. An affordable investment or an option for occasional use.*

### R-value 2 to 4: three-season hiking

The most versatile range.

- You hike in mid-altitude mountains in summer but feel the cold strongly.
- You hike in mid-altitude mountains in spring/autumn without particular sensitivity to cold.
- You hike in lowlands in spring/autumn but feel the cold strongly.

These mats suit:

- Spring;
- Summer;
- Autumn;
- Most mid-altitude treks.

They provide an **excellent balance of insulation, weight and packed size.**

*-> RayonRando recommends the [Ultralight XR Small inflatable mat](https://www.rayonrando.com/en/lightweight-inflatable-sleeping-mats/13276-ultralight-xr-small-inflatable-sleeping-mat.html), a short version that is very light and balances comfort, insulation and packed size exceptionally well. Ideal for 3-season camping.*

### R-value 4 to 5: mountains and cool conditions

This category suits:

- High-altitude camping;
- Cold nights in spring and autumn;
- People sensitive to cold.

Insulation becomes significantly more effective while remaining suitable for regular hiking use.

*-> RayonRando recommends the [Ether Light XR Insulated Regular inflatable mat](https://www.rayonrando.com/en/lightweight-inflatable-sleeping-mats/4006-ether-light-xr-insulated-regular-inflatable-sleeping-mat.html): a thick, ultralight, comfortable, insulated 4-season mat with pump sack. Save weight without compromising comfort.*

### R-value above 6: winter and extreme cold

Mats rated above 6 are designed for:

- Winter hiking;
- Camping on snow;
- High-altitude expeditions;
- Extreme cold.

They effectively limit heat loss to the ground.

*-> RayonRando recommends the [Tensor Extreme Conditions Regular inflatable mat](https://www.rayonrando.com/en/lightweight-inflatable-sleeping-mats/4879-tensor-extreme-conditions-regular-inflatable-sleeping-mat.html), with outstanding R-value 8.5 insulation for all winter conditions.*

### R-value reference table

| **R-value** | **Recommended use** |
| --- | --- |
| 1 to 2 | Summer and mild temperatures |
| 2 to 4 | Three-season hiking |
| 4 to 5 | Mountains and cool nights |
| 5 to 6 | Moderate winter conditions |
| Above 6 | Snow and extreme cold |

This table is a useful guide, but everyone's sensitivity to cold differs.

*These ranges are indicative, not strict rules. Do not overlook other mat characteristics.*

![](https://rayonrando-medias.s3.fr-par.scw.cloud/products/content/c7f3225d1c/w/1329.webp)

## Conclusion:

R-value is currently the best indicator of hiking mat thermal performance.

The higher the rating, the more effectively your mat protects against ground cold. Choosing the right R-value greatly improves sleeping comfort and helps you enjoy nights outdoors in any conditions.

## FAQ

### Which R-value for winter sleeping?

For winter use, choose a mat rated above 5.

### Does a high R-value make a mat more comfortable?

No. R-value measures insulation only. Comfort also depends on thickness, construction and materials.

### Can you use a summer mat all year?

In some conditions, but it may become insufficient when temperatures fall or the ground becomes cold.

### Are R-values comparable across all brands?

Yes, provided measurements follow ASTM F3340.

### Why am I cold despite a good R-value?

An unsuitable sleeping bag, damp clothing, wind or personal sensitivity to cold may explain it.

---

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