DESIGN & CONSTRUCTION: Super-tough 900 total denier fabric 90 grams of insulation per square meter Full Thermal Trap Technology retains heat and reduces condensation Flex-tested, extra-large 11mm poles Max Entry door system for easy entry and can be banked into the snow Two entry doors on opposite sides Oversized skirt for ample snow banking Oversized carry bag and cinch strap for easy repacking Triple layer corner pockets Lab tested hub assemblies - largest in the industry Convenient ice anchor straps and strap pockets for windy conditions (6 total)