Breathable nylon inner helps keep the tent fresh ProTex® 30D 5000mm ripstop nylon flysheet silicone/PU coated (MTN only) EXPEDITION SERIES Yunan UL poles pre-angled for effective bracing against wind Model shown: MTN 2 Internal pockets conveniently positioned for essentials ProTex® 70D 5000mm ripstop nylon flysheet silicone/PU coated (XPD only) Fully geodesic design incredibly strong structure High strength, reflective guylines maximum visibility in darkness Expedition flysheet doors top half exit - perfect for built up snow and ventilation ProTex® 70D nylon groundsheet 6000mm HH Karabiner points strong and conveniently placed for hanging kit Twin flysheet doors easy, flexible access from both sides Porch snow valances extra protection for extreme weather conditions (XPD only) Model shown: XPD 3 Twin flysheet doors easy, flexible access from both sides Yunan UL poles pre-angled for effective bracing against wind Karabiner points strong and conveniently placed for hanging kit ProTex® 30D 5000mm ripstop nylon flysheet silicone/PU coated (MTN only) Porch snow valances extra protection for extreme weather conditions (XPD only)