Monkey Paks Medium Military Tactical Backpack with 2.5L Hydration Water Bladder By 2.5 Liter Water Bladder Included - No need to buy anything else, Monkey Paks always come with the included water bladder hydration system Paracord Zipper pulls. Keep quiet with silent paracord zipper pulls on heavy duty zippers built to tough standards Molle webbing for extra expansion. Multiple webbing straps on the front, sides and even the bottom of the pack means you can build it to take what you need. Heavy duty adjustable padded shoulder straps, waist straps and sternum strap means it will adjust to fit you Monkey Paks Love it or return it for a refund Guarantee