Heavier than the others, but particularly tough, with a 75 D 210 T polyester groundsheet, using thick yarn and a dense weave, waterproof to 10,000 mm like a 4-season tent; a 75 D, 185 T flysheet waterproof to 5,000 mm, also worthy of a 4-season model; and stronger-than-average poles with diameters of 9 and 10 mm. It is highly resistant to rain and wind, tested at 100 km/h.