REI Co-op Stoke 9 Pack with bladder

FreeFlow sculpted torso pad reduces sweaty contact areas with multiple peaks and valleys releasing vapor; foam structure allows pack to conform to your back for a stable fit Perforated foam shoulder straps wrapped with breathable mesh increase air circulation Zippered hydration pocket holds your 2 liter reservoir (sold separately) for hands-free drinking on the trail Innovative feature directs hydration sip tube out through either shoulder strap—your choice! Removable hipbelt webbing system lets you use a natural forward pulling motion for quick, easy cinching and precise adjustment Panel-loading main compartment carries the essentials you might need for a workout on the trail Adjustable shockcord with cordlock is great for stowing a jacket within easy reach Zippered front pocket features a key clip and 2 mesh pockets for cell phone and wallet 2 mesh side pockets provide storage for items such as energy gels and a small MP3 player Clip loop lets you attach a safety flasher