Viper 13 Hydration Pack


  • Description
  • Product Specs
  • Product Reviews

The Osprey Viper 13 is a hydration pack with enough room to take other necessities for a longer bike ride, trail run or hike. This pack has a spacious main compartment, shove-it pocket for an extra layer, a zippered front pocket with organization and a top stash pocket with protective fabric for sunglasses or cell phone.


Two stretch mesh side pockets and a stretch front pocket keep water bottles and other gear easily accessible. The breathable back panel and adjustable shoulder straps provide optimal fit and performance for any activity.





  • Spacious main compartment with additional organization to store extra layers, food or tools
  • Hydration sleeve with direct-access zip for fast loading 
  • Included 2.5 liter reservoir with big opening for easy cleaning
  • Reservoir bite valve attaches to the magnetic sternum buckle for quick access  
  • Top zip stash pocket with scratch-free fabric for quick access to sunglasses or cell phone
  • Front shove-it pocket with zippered organization pocket keeps gear accessible and organized
  • Two stretch mesh side pockets for additional water bottles or small essentials
  • Stretch mesh harness pocket
  • Top and bottom compression straps to stabilize the load
  • Clip to quickly secure helmet 
  • Blinker light attachment 
  • Adjustable and removable hip belt to stabilize your load
  • Back panel allows for maximum ventilation and support
  • Biostretch harness is perforated with large holes for enhanced breathability and a contouring fit



  • Capacity (backpack): 793 cubic inches
  • Capacity (reservoir): 2.5 liter
  • Size: 18”x9”x9”
  • Weight (pack): 1 lb 5 oz
  • Weight (reservoir): 6 oz
  • Fabric: 210D Poly Honey Comb, 420HD Packcloth

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Viper 13 Hydration Pack

$110.00 $66.00

Item # 10000262

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