A minimalists dream, REI Stoke 9 lets you go light and fast when squeezing a quick hike or trail run into your schedule. 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 Backpanel is lined with highly breathable, moisture-wicking ventilating mesh to move sweat away from your back. Egg-crate-like foam backpanel follows the contours or your body, keeping contents close and stable. Perforated foam shoulder straps wrapped with breathable mesh increase air circulation. 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 two mesh pockets for cell phone and wallet. Two mesh side pockets provide storage for items such as energy gels and a small MP3 player. Clip loop lets you attach items such as a safety flashing light, sold separately.