High-altitude climbing, Polar region expeditions, Extreme conditions Fly: 40D nylon, 3000mm PU coating Inner Tent: R26 breathable fabric Floor: 70D nylon Poles: Aluminum alloy (Diameter: 11mm) Guyline: Polyester Stakes: Y-shaped stakes (included), steel stakes (upon request), snow stakes (upon request) Highly rip-stop and wear-resistant fly made by special yarns withstands strong wind, ensuring soundness even after prolonged exposure to harsh environments. 5-pole crossing construction offers enhanced safety and stability Ultra-strong guy lines with crossing construction bring extra stability Dual doors allow easy entry/exit Mesh vent can be closed inside to prevent snow from entering Dual vestibules provide spacious space for gear storage and activities Snow flaps protect against the wind and retain warmth in inclement weather Capacity: 4-5 person Minimum weight: 7.5kg Packed Dimension: 27*27*60cm