Drink system protected by Microban® antimicrobial technology. Market proven bite valve and patent pending quick disconnect system. Twin compartments for extra storage. Large compartment has internal pouch for radio packs and 3 antenna ports with flaps. Over 100 external S.T.R.I.K.E.® webbing attachment points. Anodised D-rings and quick cinch buckles for compatibility with 3-Day accessory pouches. Capacity: 100 oz. Cubes: 1900 / 32L.