Sierra Designs - Flash 3 UL Tent Awning design surpasses the vestibule as a lighter, smarter form of weather protection at the tent entrance Bigger and lighter hybrid design maximizes space efficiency by reducing redundant material which means less weight and more room in the tent One-piece pitching is easier, faster and always protects the tent interior from the elements The wide drop door design is large enough for two to sit side by side, yet with only one zipper, its lighter than the double-entrance vestibule The mesh hybrid walls provide maximum airflow through all sides of the tent