Ultralight 30D silicone impregnated Cordura® fabric is waterproof and incredibly strong Minimalist design sets up using 2 trekking poles (not included), (2) Guyline points provide additional stability in strong winds, (2) Mesh vents and (2) door vents provide ventilation and reduce condensation, (2) Doors for easy entry, Sides can be opened for maximum ventilation using 4 trekking poles (not included), Floorless design is ideal for dugout basecamp in snow conditions; can be combined with modular components