Osprey Viper 7

1 review
5-star:   0
4-star:   1
3-star:   0
2-star:   0
1-star:   0


Weight 1 lb 2 oz / 520 g
Capacity 400 cu in / 7 L



Huge Osprey Fan. I've owned three Osprey packs, and…

Rating: rated 4 of 5 stars
Source: bought it new
Price Paid: $40


Huge Osprey Fan. I've owned three Osprey packs, and will likely own more in my future. This is a simple, do all pack for biking or quick hikes.


  • Lightweight
  • Comfortable
  • Best hydration system I've owned


  • Material separation

Bought this on Steep and Cheap for a song, so it was a win no matter the outcome. This is a simple hydration pack that has plenty of features for everything you do. Great for mountain biking. Big enough for rain layer, snacks and tools, has hemet lock also.

I also use mine as a quick daypack. Great for my First Aid, SOL kit and snacks. Stretchy outer stuff pocket is great for my light rain jacket.

Greatest thing is the bladder itself. Osprey has nailed it. I have owned everything from Blackhawk to Camelbak. So far, all of them have leaked. Not only has the Osprey bladder not leaked, it has a magnet that clicks itself right into place on the sternum strap so it doesn't dangle in your way. I have added the magnet clasp to my daypack and weekend bag as well, so I can use this bladder for all of them.

Only downside I have found on this bag so far, is that the elastic portion in the shoulder strap that you feed the hose through has begun to unravel. However, no fear, Osprey has the best warranty you can find.

Manufacturer's Description

Visit Osprey's Viper 7 page.

Retailers' Descriptions

Here's what other sites are saying:

Description of Osprey Viper 7A hydration pack featuring a bungee lacing system for extra gear and an internal organization system. Ideal for mountain biking, trail running, or day hiking.FeaturesViper LidLock 1Viper blinker attachmentViper bungee lacing systemViper internal organizationViper shoulder strap pocketViper stash pocket400cu. in. 7L, 1lb2oz, 0.52kg17 x 8 x 4 in

- US Outdoor Store

The Osprey Viper 7 is an ideal size for everyday riding with internal organization featuring a bungee lacing system on the front panel for carrying an extra clothing layer.

- CampSaver.com

The streamlined Osprey Viper 7 hydration pack is ready to ride. It offers 2 liters (70 fl. oz.) of liquid capacity and the perfect amount of gear storage for short singletrack adventures. Padded mesh back panel and mesh shoulder straps offer next-to-body comfort; magnetic attachment on the sternum strap keeps the hydration tube's bite valve easily accessible. HydraForm(TM) reservoir system sandwiches an anatomically-shaped plastic sheet between a layer of nylon fabric and the reservoir back. Rigid spine on the reservoir stabilizes the load and makes it easy to slide the reservoir into the dedicated pack compartment; large mouth makes filling and cleaning easy. BPA- and PVC-free reservoir does not retain tastes or odors and features AquaGuard(TM) antimicrobial formula which inhibits bacterial growth. Large zippered main pocket with tool sleeves, key clip and mesh pocket carries pumps, bike tools and tubes. Front zippered pocket is lined with a soft, easy-to-clean heat-embossed fabric; small elastic mesh pocket on shoulder strap fits a cell phone or small media player. Quickly attach a helmet to the Osprey Viper 7 hydration pack with the LidLock(TM) helmet clip; bungee on the pack exterior allows easy adjustment of the LidLock clip. Bungee compression system on front of pack lets you easily secure a jacket or other lightweight, bulky items. Reflective trim increases visibility in low light; integrated rear blinker attachment strap lets you attach your light for enhanced visibility. Closeout.


Free Shipping. Osprey Viper 7 Pack DECENT FEATURES of the Osprey Viper 7 Pack LidLock helmet clip Top zippered pocket for quick access Magnetic sternum buckle Removable 20mm webbing hipbelt strap Blinker light attachment Reflective graphics Heat embossed fabric sunglasses pocket (internal) Internal pump sleeves and tool pouch Bungee lacing system on front panel 2 Liter reservoir included Spacer Mesh back panel Creates a lightweight, yet supportive and ventilated back panel Biostretch Ventilated Harness Built-in magnet for quick bite-valve attachment Sternum strap with magnetic hose attachment Detachable Webbing Hipbelt Modified-Straight Ergo Pull hip belt closure The SPECS Capacity: 427 cubic inches / 7 liter Weight: 1 lb 2 oz / 0.51 kg Dimension: 17in. x 9in. x 5in. / 44 x 22 x 12 cm Reservoir Weight: 10.8 oz / 0.30 kg 210 double rip 600D polyester OVERSIZE ITEM: We cannot ship this product by any expedited shipping method (3-Day, 2-Day or Next Day). Even if you pick that option, it will still go Ground Shipping. Sorry for being so mean.

- Moosejaw

Osprey Viper 7


The Osprey Viper 7 is not available from the stores we monitor. It was last seen October 25, 2013 at Gear for Adventure.

If you're looking for a new hydration pack, check out the best reviewed current models.