Features Material: ripstop nylon Capacity: [200] 2-person, [400] 4-person Season: winter Dimensions: [200] 47.6 x 38.7 x 25.2 in, [400] 52 x 46 x 40 in Floor Space: [200] 1842.1 sq in, [400] 2392 sq in Description Product Description The Brooks-Range UltraLite Alpini Shelter is designed to allow you to take shelter from the storm when pitching a tent would take too much time. Just pull the ripstop nylon fabric over yourself, and be protected from the wind, snow, rain, and sleet in no time. The shelter warms up in just ten minutes, and the generously sized vents prevent condensation from building up.