The CamelBak HAWG NV Hydration Pack is the perfect hydration system for mountain bikers that need added capacity for full-day trips or extra gear. The HAWG offers superior secure overflow storage and incredible stability coupled with a 100 oz reservoir. Multi-sport enthusiasts, hikers, campers, kayakers and riders can comfortably hydrate for 3+ hours on the trail or on the water and still have over 1100 cu in of gear stowage. Plus, the CamelBak HAWG features an excellent combination of organized and overflow cargo options and features the new Antidote reservoir which has a quick-snap cap that tightens in a quarter turn and a quick-disconnect tube system.