The BEST HYDRATION DESIGNS DON'T BEGIN WITH The PACKS. but rather with The bodies that will be wearing Them. Ultimate Direction's design process started with how The product feels while running, Then They totally re-worked The super classic "Fast draw" into The most modern products in The market today. The Fast draw 20 is The most popular handheld in history and The new Fast draw 20 will continue to carry The torch. The Cool Wick Air Mesh strap is soft to The touch, breathable and wicks moisture away from your skin while The adjustable hand tension strap will keep The bottle in place. The easy access pocket is perfect for items such as keys, cards, gels or even most smart phones. Pocket also includes a key fob and an interior security divider that secures contents. Soft and thin chafe-free binding will stay comfortable mile after mile, run after run. Weight without water is 4 ounces (110g) and includes a 20 ounce bottle with Kicker Valve for easy drinking.