MightyGoods > Osprey > Osprey Viper

Osprey Viper Reviews and Buyer's Guide (Jan 2019)

4.04 based on 508 reviews
Osprey Viper
86% of the Osprey Viper reviews are good or excellent!

Excellent (73%)
Good (13%)
Average (3%)
Poor (2%)
Bad (7%)

Specs across all Viper models
Capacity iconCapacity8-9 l (488-549 cuin)
Weight iconWeight1-1.2 oz (0.5-0.5 kg)
Length iconLength17-18 in (43-46 cm)
Width8-9 in (20-23 cm)
Height6-7 in (15-18 cm)

Reviews Summary

Here's what the reviewers think about the Osprey Viper:

Reviewers like these things about the Osprey Viper

  • Testers said that it is a lightweight and compact bag for biking and also for hiking.
  • They said that the pack is super comfortable with adjustable harness and torso.
  • Some testers said that the pack has great suspension system to distribute the load over their back.
  • Reviewers have also confirmed that the pack is very comfortable to wear and carry.
  • Some buyers said that the 3 litre hydration pack was quiet helpful for biking on long trails.
  • Travellers said that the pack is roomy and has lots of pockets to keep things organized while travelling.
  • A user said that the large reservoir never made the bag feel bulky on his back.
  • Another user said that the stash pocket on the front is quiet helpful to stuff his jacket.

Reviewers don't like these things

  • A few said that the pack is heavy with the large hydration pack.
  • A user also said that the bag is pricy.
  • Another user complained that the pack has no rain cover.

Popular Models

Osprey Viper 9

50% choose the Osprey Viper 9

Colors and combinations:


Capacity iconCapacity9 l (549 cuin)
Weight iconWeight1.2 oz (0.5 kg)
Length iconLength18 in (46 cm)
Width9 in (23 cm)
Height7 in (18 cm)

Osprey Viper 3

36% choose the Osprey Viper 3

Colors and combinations:


Capacity iconCapacity8 l (488 cuin)
Weight iconWeight1 oz (0.5 kg)
Length iconLength17 in (43 cm)
Width8 in (20 cm)
Height6 in (15 cm)

Osprey Viper 13

14% choose the Osprey Viper 13

Colors and combinations:


Feature Summary

Many sources mention these Osprey Viper features:
  • Compression straps
  • Hydration compatible
  • Sternum strap
  • Hydration bladder
  • Stretch mesh
  • Side pockets
  • Reflective

Actual features depends on the model, so check the features before you buy.

Packing Guide

See how much a traveller, an athlete and an outdoorsy person can pack in the different Osprey Viper models (the most popular choice is the Viper 9).

Capacity/Weight Levels

The capacity/weight level shows how much the bag weights compared with it's capacity (volume).

The lower the capacity/weight level, the better.

38 l1 oz0.12 oz/L
99 l1.2 oz0.13 oz/L

Osprey Viper
Average for 17,986+ different bags


vs Osprey Bags

The Osprey Viper ranks #63 compared with the other Osprey bags.

61Osprey Zip
Osprey Zip
62Osprey Viper
Osprey Viper
63Osprey Pulsar
Osprey Pulsar
64Osprey Parsec
Osprey Parsec
65Osprey Zealot
Osprey Zealot

vs All Bags

The Osprey Viper ranks #746 compared with all the bags we have checked.

744Kelty Redtail
Kelty Redtail
745Osprey Viper
Osprey Viper
746Burton Backhill
Burton Backhill
747Dakine Fall Line
Dakine Fall Line
748Adidas Excel
Adidas Excel

Vs Other Bags

Selected Reviews

Bike Radar

Osprey needs to make a version without its rigid bladder to allow you to really use the load space.

Posted 28 July 2011 by Justin Loretz - Read full review

Bag ID 31468. Images from Amazon Product Advertising API

Last updated on January 11, 2019