REI.com
  • Online: www.REI.com
  • URL for this product:
  • From the U.S. and CanadaCall 1-800-426-4840
  • Mon. through Sun., 4 a.m. through 11 p.m. PT.
  • InternationalCall 1-253-891-2500
  • Mon. through Sun., 4 a.m. through 11 p.m. PT. English language only.

Osprey Viper 9 Hydration Pack - 100 fl. oz.

This item is currently sold out or unavailable online.

Or, may we suggest shopping for similar items:

Shop more Cycling Hydration PacksShop more Osprey

This page is provided for reference to historical product information.

Designed for rides between 1.5 and 3 hours long, the Osprey Viper 9 hydration pack hauls your riding essentials and 3 liters of liquid in a stable, low-profile design.

  • Hydration system features a 3 liter (100 fl. oz.) reservoir that conforms to back's shape even when full, resulting in a precise, stable and comfortable fit
  • Rigid spine/handle stabilizes the reservoir, making it easy to slide it into its dedicated compartment; large mouth makes filling/cleaning easy
  • Hydration reservoir pocket has zippered access that extends onto shoulder strap, letting you remove, refill and replace reservoir and drink tube quickly and with minimal fuss
  • Low-profile padded mesh back panel and mesh shoulder straps offer next-to-body comfort; sternum strap has a magnetic attachment for keeping bite valve accessible
  • Large zippered main pocket with tool organization sleeves and a mesh pocket is ideal for carrying pumps, bike tools and tubes
  • Front zippered pocket has additional mesh pockets for more organizational options; key clip secures keys
  • Stretch mesh side pockets work great for stashing extra gear or water bottles for quick, easy access
  • Quick-access top zippered pocket is lined with a soft, easy-to-clean heat-embossed fabric that helps keep sunglasses or other fragile items from getting scratched
  • Quickly attach a helmet to the Viper 9 with the LidLock™ helmet clip; bungee on the exterior of the pack allows easy adjustment of the LidLock feature
  • Shove-it pocket can be cinched down to secure bulky items like a jacket
  • Compression straps help stabilize pack and contents; removable webbing waistbelt helps stabilize pack
  • Reflective trim increases visibility in low light
  • The Osprey Viper 9 hydration pack sports a BPA- and PVC-free reservoir that does not retain tastes or odors and features an antimicrobial treatment to deter bacterial growth

Imported.

Item 847143

REI Membership

Osprey Viper 9 Hydration Pack - 100 fl. oz. Specs
Specification
Description
Best use
Mountain biking
Frameless
9 liter
549 cubic inches
3 liter
100 fluid ounces
1 lb. 2 oz.
0.5 kilogram
No
17-21 inches
Unavailable
Ripstop polyester/polyester
Panel
4
Yes
Yes
Yes
Yes
20 x 9 x 7 inches
Men's
Frame type
Gear capacity (L)
Gear capacity (cu. in.)
Liquid capacity (L)
Liquid capacity (fl. oz.)
Weight
Weight - metric
Adjustable torso
Fits torso
Fits waist/hips
Material(s)
Pack loading
Number of exterior pockets
Hipbelt
Bite valve shut-off switch
Quick disconnect tubing
Wide-mouth opening
Dimensions
Gender

Osprey Viper 9 Hydration Pack - 100 fl. oz.

Loading Ratings & Reviews...

Ask a question and have it answered by REI product experts and fellow outdoor enthusiasts. Need immediate assistance? Use Live Help.

Loading Questions & Answers...

How are we doing? Give us feedback on this page.

FREE SHIPPING With $50 minimum purchase

MEMBERS, EARN A $20 BONUS CARD! When you spend $100 April 14-29. Single-use bonus card redeemable May 2-12. Details
  • Join REI today!
  • REI Membership
  • REI member benefits include an annual refund (typically 10% on eligible purchases).
  • Join REI today!
  • Sign up for REI Gearmail®
  • and get 15% off selected items!
  • Store Locator
  • Locate an REI store near you.
  • Find a Store
© 2014 Recreational Equipment, Inc. All rights reserved. REI, the REI Tree and Mountain design, Novara, and
REI Adventures are trademarks of Recreational Equipment, Inc.

Find REI on: FacebookTwitterYouTubeFlickrMobile site