Large sized backpack featuring two large waterbottle pockets, two front pockets, a maifest/backplate pocket in the main bag, as well as a small 'book' pocket for your valuables. It has side compression straps to keep the top closed when empty, as well as front expansion straps for when you have a large load. padded ergonomic pentagram back plate as well as heavilly padded straps with velcro and loops for holster mounts. Waterproof and heavy duty, designed to carry as much as you can, comfotably. simple design for high functionality.