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The Osprey Viper 13 Hydration Pack is completely trail ready, with a ventilated AirScape backpanel, LidLock™ helmet attachment and 2.5L Hydraulics™ LT reservoir compatible. As well as boasting all of the active features expected from a hydration pack, the Viper 13 also features a large capacity across several pockets for maximum load balance.

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Product code: 200348

  • A large, hydration ready backpack from Osprey
  • Biostretch™ harness - ventilated strapping maximises cooling
  • AirScape™ backpanel - channels air where back meets pack for optimised ventilation and breathability
  • LidLock™ helmet attachment
  • Reflective accents
  • 2.5L Hydraulics™ LT Reservoir included - large capacity bladder for storing water
  • Stretch pocket on harness
  • Internal hydration sleeve - secures bladder in place
  • Internal organiser - separates internal contents
  • Front compression pocket
  • Bike light attachment point
  • Magnetic bite valve - lockable to prevent leakage
  • Removable waist strap
  • Removable webbing hipbelt
  • Side compression straps
  • Sternum strap buckle
  • Stretch mesh side pockets
  • Weight: 0.58kg
  • Maximum dimensions: 45L x 23W x 18D cm
  • Capacity: 13 litres
  • Recommended activity - running / trail running / cycling

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