17 x 8 x 5 inches. 2.5 liter capacity. one large main compartment. one outside pocket with inside mesh accessory pockets. hydration pocket with velcro® closure and carry handle. complete with 2.5 liter bladder. modular attachment points on front face. expandable design and stay-cool mesh backing. fully adjustable shoulder straps. heavy duty zippers and hardware. fully expandable. olive drab compact modular hydration backpack.
