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High-energy activity requires keeping hydrated. The Viper 9 and integrated 2.5 litre Hydraulics™ reservoir ensures that you can carry all the required gear and liquid to perform your best.
The reservoir is accessed via an asymmetric zip for quick and easy refills. The reservoir incorporates a unique hydrostatic plate that maintains an anatomical shape but also keeps water pressure high for a smooth delivery of water. Osprey also solved the ‘wandering hose’ issue with competitors designs by placing a magnet in the pack sternum strap and bite valve. This holds everything neatly in place when not needed; yet ensuring quick and easy access when it is. The ventilated foam back panel and harness keep you cool in hot conditions whilst still offering flexibility for movement without restriction. The unique LidLock™ attachment provides a quick and secure attachment point for your helmet without taking up space inside your pack. Gear and bike tools are easily organised and carried within the quick access internal compartments. The front compression pocket complete with drainage hole, provides an ideal space for bulky additional items or used as a handy place to stash wet items on the go. Reflective graphics and LED light attachment help to keep you visible for when the weather turns or night falls!
Beating nine other hydration packs, it received a 10/10 rating and "Best In Test" from MBR Magazine, stating it "managed to cover all our requirements in an ideal trail pack, plus a few neat details we didn't realise we would miss until we had them."
Buy Osprey Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.
If you're not completely satisfied with an item you may return it within 12 months of purchase. We'll give you a full refund if the item hasn't been used or the component hasn’t been fitted.More information on returns