Osprey Viper 13

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Specs

Weight 1 lb 7 oz / 640 g
Capacity 800 cu in / 13 L

Where to Buy

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Manufacturer's Description

Visit Osprey's Viper 13 page.

Retailers' Descriptions

Here's what other sites are saying:

Free Shipping. Osprey Viper 13 Pack FEATURES of the Osprey Viper 13 Pack AirScape backpanel with perforated foam provides cushion and ventilation Ventilated harness is light and breathable 20mm webbing hipbelt keeps packs stable Unique New hydration sleeve design with direct access zip for fast loading LidLock clip quickly secures helmet Versatile front shove-it pocket for quickly stashing extra gear Main compartment with sleeves for pumps Top zip access sunglass pocket with protective embossed fabric Blinker light attachment patch and reflective graphics for safety Magnetic sternum buckle for quick access to the reservoir bite valve 3L Hydraulics Reservoir included Front stretch mesh pocket Interior dividers in shove-it pocket create three separate compartments Lower compression strap to pull weight close to the body Mesh Backpanel Creates a lightweight, yet supportive and ventilated backpanel Biostretch Ventilated Harness Built-in magnet for quick bite-valve attachment Sternum strap with magnetic hose attachment EVA foam is perforated with large holes for enhanced breathability and comfortable stretch Breathable spacer mesh creates soft, irritation free contact surface Detachable Webbing Hipbelt Modified-Straight ErgoPull hipbelt closure SPECIFICATIONS of the Osprey Viper 13 Pack 210D polyester triple diamond ripstop 600D polyester Volume: 793 cubic inches / 13 liter Weight: 1 lb 4 oz / 0.555 kg Reservoir Weight: 11 oz / 0.31 kg Dimension: (H x W x D): 20 x 9 x 8in. / 50 x 22 x 21 cm

- Moosejaw

The Osprey Viper 13 provides enough carrying capacity to bring all the necessary gear on a full-day mountain biking, trail running or day hiking adventure. The included 3 liter HydraForm reservoir and magnetic bite valve attachment keep dehydration at bay.

- CampSaver.com

Built for 3+ hours of riding and offering plenty of organization options, the Osprey Viper 13 hydration pack totes your gear plus 3 liters of water for your extended rides.

- REI

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 drinkingSpacerMesh back panel provides super-light cushioning for a comfortable fitBioStretch shoulder harness system features mesh-covered foam for superior comfort and small sleeves to hold your energy gel pouchesLidLock 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 placeSide compression straps reduce pack volume if you're carrying a smaller loadReflective detailing on front panel and a blinker-light attachment loop help keep you visible

- Backcountry.com