Shipping Info:


Item #: 331963501

Stay hydrated throughout your next adventure with the Osprey Viper 9-Pack.  This low-profile pack is designed for bikers to be comfortable, slim, yet still large enough to accommodate plenty of water. The LidLock™ clip easily attaches to a helmet while the blinker light attachment and reflective graphic increase safety while riding. Organizational pockets and valuable storage space finish off the design of this pack.


  • AirScape™ back panel with perforated foam provides lasting comfort
  • Ventilated harness offers lightweight breathability
  • Hipbelt offers a secure fit
  • Hydration sleeve with direct access for convenience
  • Versatile front shove-it pocket provides convenient storage
  • LidLock™ clip for added convenience
  • Main compartment with sleeve for pumps
  • Top zip access sunglass pocket with padding for added protection
  • Blinker light attachment and reflective graphics for added safety
  • Magnetic sternum buckle for quick access to bite valve for convenience


  • 210D Polyester Triple Diamond Ripstop / 600D Polyester
  • Reservoir: 2.5 L Hydraulics™