Hydration Backpack EXTREME Colours: black, OD green, coyote Material: 100% Polyester Dimensions:44 x 22 x 2,5 cm Volume: 2,5 l High quality backpack made of abrasion resistant Polyester One large compartment with removable bladder. Drinking hose with Valve. Shoulder- and chest strap 4-D-rings 2 carry handles