The Blackhawk S.T.R.I.K.E. Cyclone Hydration Pack is the ideal short-duration assault pack. This 1800 cubic inch pack is extremely versatile and rugged. Large main compartment features an internal pouch for small items, twin YKK zippered outer compartments, quick cinch buckles and 1000 denier nylon construction makes this pack a favorite amongst hunters and outdoor enthusiasts alike. IVS molded back panel combined with the padded shoulder harness, sternum strap and reinforced waist belt add to the comfort and stability of this pack. Drinking system features 100 oz. antimicrobial reservoir, bite valve and quick disconnect system.