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- Upper side compression straps stabilize the load
- The blinker light attachment found near the base of the front panel of the pack allows for Quick light attachment for high visibility in the dark
- An elasticized lid lock helmet attachment system provides storage for your helmet
When you’re squeezing in a quick ride after work, osprey’s Viper 3 is the perfect size. The suspension is designed for moving light and fast: a foam frame sheet spreads weight across a ventilated mesh back panel for lightweight comfort. The stretch shoulder harness provides a contoured fit and the webbing hip belt is removable to shave ounces. If you end up carrying extra weight, top compression straps lend extra load stability. Access gear in the main compartment via a zippered front panel. You can slip small items into the dual side mesh or harness pockets or stash a layer in the front fabric Shove-It pocket for quick access. Bike-friendly features include a hydraulics lt 2.5 liter reservoir with magnetic bite valve retention, internal bike pump storage loops, and osprey’s innovative lid lock helmet attachment system.