Retailers' Descriptions

Here's what other sites are saying:

The Osprey Viper 3 Pack is a small hydration pack for quick rides on the bike. Get on the bike before the day really gets going or make it out before the sun sets. Doesn't Matter what time of day, but this little pack will keep you going on short cycling adventures. The BioStretch shoulder harness hugs the body while the webbing hipbelt stabilizes. The included 2.5L Hydraulics LT Reservoir makes sure you're hydrated along the way. Just make sure to fill it up before heading out the door. A helmet clip to hang onto your helmet when stopping off for a sandwich and a beer at the local riverside grill and just enough space for your wallet and house keys. Features of the Osprey Viper 3 Pack Upper side compression straps Direct access zip path to reservoir compartment Heat embossed scratch free zippered stash pocket Front fabric shove-it pocket with zippered organization pocket Lidlock helmet attachment Blinker light attachment Stretch mesh harness pocket Magnetic sternum strap bite valve attachment

- Moosejaw

When you're squeezing in an early morning ride before work, you need a pack that's just big enough to fit the bare necessities. With a foam frame sheet, a mesh backpanel and a BioStretch(TM) shoulder harness, the Viper 3 delivers a contoured fit, optimal breathability and the perfect amount of storage space to keep you equipped for the ride without weighing you down. . . . Main fabric: 210D poly honey comb. . Accent fabric: 420HD packcloth. . Bottom fabric: 420HD packcloth. . Zippered front panel main compartment. . Foam frame sheet evenly distributes pack weight. . BioStretch(TM) shoulder harness offers a contoured fit. . Removable webbing hipbelt. . Top compression straps stabilize extra loads. . Harness pocket. . Front fabric shove-it pocket. . Hydraulics(TM) LT 2.5 liter reservoir with magnetic bite valve retention. . Internal bike pump storage loops. . LidLock(TM) helmet attachment system. . Blinker light attachment enhances visibility. . Volume: 183 cu. in. (3 L). . Dimensions: 17 in. H x 8 in. W x 6 in. D. . Weight: 0.93 lb.. .


Osprey Backpacks & Bags Viper 3 L Men's Hydration Pack-Wasabi Green 10000268. The Viper/Verve Series delivers the outstanding functionality of Osprey's Hydraulics LT in a light versatile and high performance package. A front shove-it pocket increases the range of use for the pack in larger volumes while the smallest volume offers a simple solution for riders looking to carry no more than some keys and water.


Minimal volume and built to carry your hydration, car keys and a snack.

- Summit Hut

Take a quick ride on your mountain bike with all the essentials packed in Osprey's Viper Hydration Pack. This small, streamlined backpack has enough room for your helmet, pump, tube repair kit, and the included Hydraulics LT 2. 5L reservoir. The LidLock system secures your helmet when you're not on your bike. Osprey made this pack with well-ventilated Airscape and BioStretch mesh, and the back panel has an Atlion foam framesheet to enhance stability without interfering your mobility on the mountain.


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