A top choice for desert rides and all-day single tracks through the summer backcountry, Camelbak's new Mayhem backpack features a massive 100-oz. OMEGA Reservoir and 641 cubic inches of storage space for your lunch and a spare shell. The Mayhem isn't Camelbak's largest mountain bike backpack, but the dimensions are noticeably smaller than the larger Havoc for improved load control in places where precision balance means everything on hairy descents. If you don't need the Havoc's goggle pocket and you're fine with sticking your tools in with the rest of your pack contents, you're good to go with the Mayhem. It also features a newly redesigned hydration reservoir. Camelbak recently refined their entire OMEGA Reservoirs with a HydroTanium polyurethane film that further enhances the integrity of one of the most burst-resistant hydration reservoirs in the industry. We've found that hikers, bikers, skiers and snowboarders who have ever burst a cheap reservoir often opt for the durable design of the Camelbak OME...