Osprey Viper 13 Hydration Pack - Men's

Men's Osprey Viper 13 Hydration Backpack is the biggest pack in the Osprey Viper hiking, running and biking pack line. Internal pump sleeves and tool pockets keep your gear organized. A large front zippered pocket with a shove-it pocket behind both give you plenty of room for a day's worth of gear. Compression straps keep your gear compact so it won't bounce and swing as you run or ride down the trail. A heat embossed sunglass pocket holds your sunglasses when you don't need them. A front stretch mesh pocket holds small items for easy access. A top zippered slash pocket offers yet another place to keep your odds and ends organized. Comes with a 3 liter Osprey Hydraform Reservoir. Osprey's LidLock helmet clip keeps your bucket secure when you aren't wearing it. An elastic sternum strap with magnetic bite valve attachment keeps your hose easy to access. A shoulder strap pocket is perfect for a cell phone, iPod or other MP3 player. Osprey's blinker light attachment and reflecti. One size. Volume: 800 cu in, 13 liters. Hydration volume: 3 liters. Weight: 1 lb 7 oz, 640 g. Reservoir weight: 9 oz, 255 g. Internal pump sleeves and tool pockets. Large front zippered pocket with shove-it pocket behind. Heat embossed sunglass pocket. Front stretch mesh pocket. 2x side compression straps. Top zippered slash pocket