CamelBak M.U.L.E. Hydration Pack - 671cu in - $99.95

You can bring everything you need on that 3 hour ride that you have planned with the Camelbak M.U.L.E. Hydration Pack. The M.U.L.E. has room for over 600 cubic inches of gear and 3 liters of water, which should get you about three hours up the trail on a really hot day. The M.U.L.E. also has Camelbak's XV back panel with air channels to keep you cool, a removable waist belt, and overflow storage in case you need to bring the kitchen sink.XV back panel with channels that allow cooling air to flow between your back and the pack Roomy 671 cubic inch main compartment Antidote reservoir includes a lightweight, quick-seal cap, folding arms on the port to speed drying, and baffles in the body that allow the reservoir to maintain a lower profile when full Quick Link system in reservoir allows you to quickly snap off the tube for cleaning and easily attach accessories like filters, flow meters, and insulated tubes Ample main compartment and multiple exterior pockets hold your rain gear, multi-tool, pump, spare tube, lunch, MP3, phone, wallet, and keys, while XC helmet carry stows your dome protector Removable .75-inch belt with cargo pockets keeps the pack from bouncing around as you bomb downhill HydroGuard anti-microbial technology inhibits bacterial growth on reservoir and tube surfaces Ergo Hydrolock shut-off valve allows you to control water flow and prevents leaks XC helmet carry stows your dome protector - $99.95