DAKINE Apex Hydration Pack - 1600cu in - $94.47

DAKINE's Apex Hydration Pack delivers top-of-the-line features, and enough storage and hydration capacity to keep you out on the trail for hours on end.Air Channel Ventilation on back panel helps avoid overheating on long climbs Helmet carrier fits both full-face or XC designs Armor carry straps let you stow your pads on the way up and get nasty on the way down Internal organizer pockets keep your tools, tubes, and other goodies secure Built-in rescue whistle helps notify others in case of emergency - $94.47