The Ultimate Direction Fastdraw 500 combines a stretch-mesh pocket with a Flexform™ II 500 bottle into one, easy-to-use handheld system. The stretch-mesh pocket is great for fitting smaller items and race gels. The Ultimate Direction Fastdraw 500 is formed with a cool-wick air mesh strap which is lightweight and breathable, optimising ventilation and moisture management, with soft, thin, chafe-free edge binding for all day comfort. Specifications Bottles Included: 1 Flexform™ II 500 Weight (Without Bottle): 34 g / 1.2 oz Total Volume: .15 L / 9 in3