The lightweight Big Agnes Emerald Mountain SL2 Tent featuresmesh sides to let in cool mountain breezes and a rugged rain fly for stormyweather. Eco-friendly tent poles hold up the two-person Emerald Mountain SLtent. In order to reduce air and water pollution, tent-pole-making company DACcreated a method that requires significantly less of the two toxic chemicalsnecessary to making tent poles. The result is super-lightweight poles you canfeel good about pitching your Big Agnes tent with. Enjoy gobs of fresh air whenyou pitch this tent without the fly. If a storm rolls in, the waterproof flyand tent floor will keep you dry. (Large vestibule and footprint soldseparately.)