Osprey  Viper 4 Hydration Pack - 70 fl. oz.

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Offering a low-profile design and a 2-liter hydration capacity to quench your thirst as you rail trails, the compact Osprey Viper 4 hydration pack is built for short and fast mountain bike rides.

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Features

  • Hydration system features a 2 liter (70 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
  • Main compartment has 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
  • 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 4 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 4 hydration pack sports a BPA- and PVC-free reservoir that does not retain tastes or odors
  • Closeout

Imported.

View all Osprey Cycling Hydration Backpacks

Technical Specs

Best Use

Mountain Biking

Frame Type

Frameless

Gear Capacity (L)

4 liter

Gear Capacity (cu. in.)

250 cubic inches

Liquid Capacity (L)

2 liter

Liquid Capacity (fl. oz.)

70 fluid ounces

Weight

15 ounces

Fits Torso Length (in.)

Up to 21 inches

Fits Waist/Hips

Up to 48 inches

Material(s)

Ripstop nylon/polyurethane and silicone-coated nylon

Number of Exterior Pockets

1

Hipbelt

Yes

Bite Valve Shut-off Switch

Yes

Dimensions

19 x 9 x 8 inches

Gender

Unisex

Wide-Mouth Opening

Yes

Quick Disconnect Tubing

Yes

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