100% Nylon Imported VERSATILE BACKPACK: Versatile, all-around hunting backpack with 1,831 cubic inches of usable space FRONT PANEL SYSTEM: Features TS3 front panel system that allows for 3 different ways to use your front pocket MESH SUPPORT: Cool mesh, padded back support panel, and shoulder straps put less strain on your body WEATHER RESISTANT CONSTRUCTION: Weather resistant construction with attached and stored rain fly designed to tackle anything mother nature throws at you HIDDEN RAIN FLY: Backpack includes hidden rain fly so you're prepared in any element