Osprey Packs Exos 34 Backpack

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Pursue your ultralight backpacking adventures with the supportive, well-ventilated, and above all comfortable-to-carry Osprey Packs Exos 34 Backpack. This ultralight Osprey pack can carry up to 25 pounds, making it the perfect overnight and weekend backpack or even a great daypack when your load includes bulky or emergency bivy gear. Fully featured, the Exos packs have lots of zippered and stretch mesh pockets to keep you organized, 2 sleeping pad straps, a single tool loop carry system, compression straps and their ingenious Stow-on-the-Go™ trekking pole attachment system. The modified aluminum Airspeed Suspension system, padded BioStretch™ Harness and padded mesh Hipbelt distribute the load comfortably and give your sweat plenty of opportunity to escape. You won’t see this kind of suspension or ventilation in any other ultralight pack. When your itinerary involves 25-mile days on the Pacific Crest Trail, 4 days exploring the canyons of Utah or even just an overnight with an early morning summit of a 14er in Colorado, through hikers and fast-and-light backpackers agree the Osprey Exos 34 Backpack is ideal.


  • Materials: 70D x 100D Shadowcheck, 160D x 210 Window Ripstop
  • Frame: Modified Airspeed Suspension with 6061-T6 aluminum frame and 3D tensioned breathable mesh backpanel with side ventilation
  • Harness: Highly ventilated and supportive Bio-Stretch™ harness with mesh covered slotted foam and adjustable sternum strap with whistle
  • Hipbelt: BioStretch™ hipbelt with mesh covered foam and ErgoPull closure
  • Hydration compatible backpanel sleeve with external hose routing; accommodates up to three liters
  • Top loading design
  • Removable floating top pocket with underlid mesh pocket
  • Single vertical zippered front pocket
  • Stretch woven front pocket with integrated over-skirt compression strap
  • Single tool loop and bungee tool tie-off for secure carry
  • 2 sleeping pad straps, 7 mm webbing
  • 7 mm webbing side compression straps
  • Stow-on-the-Go™ trekking pole attachment
  • Front stretch woven pocket
  • Cord tie-off points
  • 2 zippered mesh hipbelt pockets
  • Side stretch woven pockets with inner or outer compression
  • Comfort range: Up to 25 lbs
  • Dimensions (length (height) x width x depth): 25.5 x 13.5 x 9 in, 65 x 34 x 23 cm
  • Volume: 1953 cu in, 32 liters (S); 2075 cu in, 34 liters (M), 2197 cu in, 36 liters (L)
  • Weight: 2 lb, 0.91 kg (S), 2 lb 2 oz, 0.96 kg (M), 2 lb 3 oz, 0.99 kg (L)

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Review Summary

4.8 out of 5

6 Reviews

  • Performance: 4
  • Great design: 3
  • Ease of use: 2
  • Great value: 2

Durability: 4.8 / 5
Quality: 4.8 / 5
Carrying Capacity: 4 / 5
Weight: 1.5 / 5

6 Ratings & Reviews

Durability: 4 / 5
Quality: 4 / 5

45-54 yrs

Solid pack
January 09, 2011

The Exos34 is a great day or overnight pack. It's light and very comfortable, with good ventilation/air flow. The straps are a bit thin, but I suppose that's part of the reason it is light. Overall a nice backpack.

Pros: Great design, Performance
Durability: 5 / 5
Quality: 5 / 5

from Bend, OR
35-44 yrs

Awesome super lightweight backpack
September 30, 2012

I use this pack for lightweight weekends in the Cascades. It has held up to many trips. It has just the right amount of features without a weight penalty. You will not find a better pack at around 2 pounds. The air suspension lets your back breathe. The large mesh area allows plenty of air to pass through. The other neat thing about the air suspension is that you can actually put a hydration bladder in there should the pack be filled with other stuff. Another great feature is the clips that allow you to stow your hiking poles without having to remove your pack. Overall, 5 out of 5 stars. Buy it!

Pros: Great design, Performance, Ease of use, Great value
Durability: 5 / 5
Quality: 5 / 5
CarryingCapacity: 4 / 5
Weight: 1 / 5
from Panama, Panama
55-64 yrs

Very good
February 04, 2011

Superlight ventilated mochila. , enough room and pockets, very comfortable, shield against light rain; well balanced. This product is built for comfort, also is very specialized mochila for a long day trip adventure or a weekend.

Pros: Performance, Ease of use, Great value

Amazing technology
August 17, 2009

In my opinion, Osprey is the best maker of backpacks. They are very well designed and you will feel this immediately after loading your backpack and putting it on. The Exos 34 is ideal for day trips with small to medium loads. The straps, buckles, and zippers are very convenient. I did not test it in the rain; however, from my previous experience I know that you always need to carry even the simplest rain poncho to protect your backpack and its contents. Please note that they are 3 sizes of each Exos backpack: Small, Medium, and Large. You need to consult the measuring chart before placing an order.

Wow! Lightweight and ready for fastpacking
May 06, 2009

I have to admit, I drooled when I received this pack. It is loaded with features and fits perfectly. This one is the best for lightweight fast travel. The outside pockets make getting at small items very do-able, as do the hipbelt pockets. I recommend this for lightweight overnights and weekends, as well as to trail runners.

Durability: 5 / 5
Quality: 5 / 5
CarryingCapacity: 4 / 5
Weight: 2 / 5
from New York, NY
25-34 yrs

Great for Light Stuff
December 03, 2010

Pack is great. Used it for hut trip in Patagonia, would have been perfect except that my camera gear pushed the weight limit a little over the limit. This is a very well thought out design, especially the hip pockets and gear attachments. Just keep in mind that this is a pack for light journeys, the harness/supports are just not meant for heavy gear.

Pros: Great design, Build quality, Performance

Also Available

Osprey Packs Exos 34 Backpack Photo

Ember Orange and Jungle Green.

Available sizes, while supplies last, include size small, size medium and size large: s, m, l.

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