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Osprey Packs
Atmos AG 65L Backpack

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Enjoy the journey.

Backpacking isn't the most enjoyable thing when all you can think about is getting to your campsite and ditching your pack. The newly redesigned Osprey Atmos AG 65 Backpack features Osprey's Anti-Gravity Suspension system, so you can take your mind off your aching back and enjoy the views while you hike. The system places a continuous panel of lightweight mesh from the top of the back to the hips for a seamless design that automatically contours to your back. Not only does this make the pack more comfortable, but it increases your range of movement. On top of that, the Atmos AG has an adjustable harness system, so you can dial in the perfect fit for your individual torso size.

Built for multi-day backpacking trips, the Atmos AG 65 Backpack has everything you'd expect from serious mountain pack. An internal hydration sleeve lets you fit the pack with your favorite hydration system. A top access point makes for easy packing, while the floating lid adjusts to make room for extra gear on big trips. The lid can also be removed to save weight for those hard summit pushes. Two front panel pockets stash extra layers, maps, and a few snacks, while multiple gear loops allow you attach your trekking poles and ice axe.


  • Award-winning backpack built for Pacific Trail thru-hikers
  • 65L capacity suitable for more minimalist-minded backpackers
  • Anti-Gravity suspends mesh off the supportive frame for comfort
  • Fit-on-the-fly waist belt allows full adjustments on the trail
  • Removable top lid reduces weight for shorter trips
  • Compatible with hydration reservoirs, trekking poles, and ice axes
  • Item #OSP002J
[main] 100D x 630D nylon dobby, [accent] 210D high-tenacity nylon, [bottom] 420HD nylon packcloth
[small] 62L (3783cu in), [medium] 65L (3967cu in), [large] 68L (4150cu in)
Waist Belt
Hydration Compatible
Reservoir Included
Rain Cover
sold separately
Weight Capacity
50 lbs
[medium] 33 x 15 x 15 in
Claimed Weight
[medium] 4 lbs 6 oz
Recommended Use
backpacking, hiking & camping
Manufacturer Warranty