The Camelbak M.U.L.E Hydration Pack is the original narrow-gauge pack that will keep you out on the trails with everything you need for 3+ hours of mountain bike action.Features the Antidote Reservoir with Quick Link System, 1/4 turn easy open/close cap, lightweight fillport, dryer arms, centre baffling and low-profile design. Also features patented Big Bite Valve, HydroGuard technology, PureFlow tube and easy-to-clean wide-mouth opening.The pack itself will ensure you're well equipped with media pocket, bike tool organizer pocket, stash pocket, four point compression and stretch overflow helmet storage.Designed to carry helmet, multi-tool, pump, spare tube, extra layer, lunch, MP3, phone, wallet and keys.CamelBak Got Your Bak Guarantee provides a lifetime guarantee for the pack.*Hydration Capacity: 100 oz / 3 L*Total Capacity: 671 cu in / 11L + 3L Reservoir*Weight: 1.3 lbs / 590 g*Dimensions: 18 x 8 x 8 in / 45.5 x 20 x 20.5 cm*Torso Length: 15 in / 38.5 cm*Back Panel: XV*Harness: Independent Suspension and Slider Sternum Strap*Belt: Removable 20mm / .75" stability*Fabric: 70D Diamond Clarus & 420 Nylon with DWR + 1000 mm PU