Sierra Designs "Everything in its place and you properly hydrated-you're moving now, thanks to Ultimate Direction's popular Gemini hydration pack. Twin bottle pack puts insulated holsters within easy reach and cargo space between. Double zipper access to main compartment. Additional zip pocket with mesh panels and zip pocket on breathable mesh hip belt give more stowing options. Single-adjust webbing and offset buckle adjust fit quickly. Padded rear panel. Adjustable compression straps. Includes two 20 oz. plastic sport flasks. Capacity (fluid) 40 fl.oz. (gear) 450 cu.in. 1 lb. 5 oz. Nylon. Closeouts. Philippines."