Osprey Atmos 50

Osprey Atmos 50

Osprey Atmos 50

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Thru-hiking/Overnight to extended trips

The Atmos 50 provides the ideal volume for your next superlight backpacking experience. At 3000 cubic inches and with an average weight of just over 3 lbs / 1.5 kg, you can carry your superlight essentials with ease and comfort. A traditional floating top pocket/top load design and twin front pockets with welded water resistant zips makes loading easy. Other features include an internal hydration sleeve, zippered mesh pockets on the adjustable hipbelt and removable sleeping pad straps.

Atmos 50~NEW! 2012 Features

Adjustable harness -

The torso adjustable interchangeable shoulder harness allows 3"/7.5cm of adjustment for a fine tuned fit while using a new pad design, spacer mesh and ventilated foam for breathable, supportive cushioning. 

AirSpeed™ suspension


AirSpeed™ suspension with LightWire™ frame and 3D tensioned breathable mesh backpanel optimizes pack balance, ventilation and support

Fit-On-The-Fly™ hipbelt


The new Fit-On-The-Fly™ hipbelt design uses dual density foam for improved support and spacer mesh for breathability.  The exclusive adjustment system allows the belt to be custom fitted with a 6"/15cm total adjustment range while wearing the pack

Hydration sleeve


All Atmos/Aura series packs are hydration compatible with tube exit ports on both sides of the pack

Removable sleeping pad straps


Removable sleeping pad straps add a level of performance versatility

Removable top pocket


The floating top pocket with under lid mesh pocket can be easily removed

Tool attachment


Each Atmos/Aura Series pack features dual ice tool loops and bungee tool tieoffs

Vertical zip pocket


Dual vertical zip front pockets allow for easy gear organization

Load Range
The green to yellow zones represent the recommended load range for this pack.

35-50 lbs.

Volumes and Weights
US and International weight and volume specifications

Size cu. in. liter lbs/oz kg.
S 2868 47 3/1 1.39
M 3051 50 3/2 1.42
L 3234 53 3/4 1.48

Dimensions are shown as length (height) x width x depth
In: 29 x 17 x 14
Cm: 74 x 42 x 36

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