The Osprey Viper 5 Pack is a hydration pack built for fast mountain bike rides, trail runs and even quick day hikes. The Viper 5 is all about hydration and carrying the bare minimum, so you can just enjoy the outdoors without lugging any extras. Included is a 2L Hydraulics™ Reservoir which slips right into the direct zip access towards the back of the pack. The main zippered section secures your extra layer, the top stash pocket protects small items and the front panel has organization pockets so you know exactly where to grab that granola bar from when you need an energy boost. Fast, simple, and all about short trail adventures.
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