Features Enter your model number to make sure this fits. Material: 400D nylon ripstop Volume: 1600 cu in Shoulder Straps: breathable, ergonomic Waist Belt: yes, removable Hydration Compatible: yes Description Product Description From singletrack to downhill, the Dakine Apex 26L Hydration Pack is the ultimate mountain biking companion. It comes with a three-liter Shape Loc hydration reservoir to keep you going all day, with a shoulder-strap port and a Plug-N-Play disconnect system for easy removal and filling. Riding can be a sweaty business, but the Air Channel back-panel ventilation keeps cool air moving, and the removable waist belt keeps your gear from bouncing around and throwing off your balance. Dakine hooked the Apex up with a helmet-carrying system that can hold full-face or trail helmets with equal ease, and itincluded a fleece-lined sunglasses and goggle pocket to keep your lenses from getting scratched when you're not wearing them. Internal organization pockets keep your spare tubes, pump, trail maps, and more in order so you don't have to tear apart your whole pack to find what you need.