Osprey Packs

Viper 13 Hydration Pack - 800cu in

Sure, that emergency snake-bite kit you have is pretty rad. But during your mountain-bike ride, chances are good you’re going to need access to water, an extra layer, and a tire repair patch long before you’ll have to tend to a set of thin puncture wounds on your calf. With the super-comfortable Osprey Viper 13 Hydration Pack on your back, you’ll be able to tote along the day’s essentials and even have some room left over for less-crucial items, like anti-venom.

• HydraForm reservoir is made with BPA- and PVC-free materials and features a design that squeezes your water supply for easier drinking
  
• SpacerMesh back panel provides super-light cushioning for a comfortable fit
  
• BioStretch shoulder harness system features mesh-covered foam for superior comfort and small sleeves to hold your energy gel pouches
  
• LidLock helmet clip feature allows you to attach your bike helmet to your pack for hands-free storage.
  
• Wide variety of organizational pockets keep your tire pump, patch kit, and multi tool in place
  
• Side compression straps reduce pack volume if you’re carrying a smaller load
  
• Reflective detailing on front panel and a blinker-light attachment loop help keep you visible