Osprey Packs Atmos AG 50L Backpack

We’ve read the reviews across the web for the Osprey Packs Atmos AG 50L Backpack and summarize the results below:

Universal Ranking

PeakScore: 92 (out of 100)
User Rating: 4.6 stars 
Expert Rating: 4.6 stars

Number of Ratings Reviewed: 330

Pros & Cons

Reasons to buy:

User Reviews

  • Able to pack quickly and organize your gear.
  • The backpack is easy to adjust even when your load changes.
  • The brain of the backpack is removable to save weight or use as a day pack.
  • The pockets are easy to reach and functionally placed for storage of gear.
  • The hip belt and back panel are adjustable to customize your fit.
  • The stretchy outside loops can let you hang some smaller items externally on the backpack.
  • Anti-gravity suspension keeps your back comfortable and lets you easily carry heavy loads.
  • Features a sleeping bag compartment for additional compatibility.

Expert Reviews

  • Contains a ventilated frame for temperature regulation.
  • Features an adjustable torso length and hip belt for a custom fit.
  • Contains trekking pole attachments to easily hold your poles when not in use.
  • Features a sternum strap to keep your backpack snug against your body during use.
  • The hip straps are padded enough to prevent any discomfort even when carrying heavy loads.
  • The mesh and the ventilated construction help keep you cool during hot days on the trail.
  • Versatile to work for one-night trips to long-term treks.
  • Uses tough and durable outer material.
  • Features an internal hydration reservoir sleeve for easy organization and compartmentalization.
  • Comfortable to carry during all-day use.

Reasons NOT to buy:

User Reviews

  • The hip straps might be too long for some body types and can get in the way.
  • Does not come with a rain cover, so you will need to buy one on your own.

Expert Reviews

  • The internal hydration sleeve means you have to unpack some other gear in order to get to the bladder.
  • The hip pockets might not be big enough for some cellphones.


The Osprey Packs Atmos AG 50L Backpack is a durable, adjustable, and comfortable backpack that is versatile enough to be used on single-night adventures or multi-day treks. With high praise about the all-day comfort and weight distribution, this could be a good choice for thru-hikers and frequent campers who enjoy having padded hip belts, adjustable shoulder straps, and anti-gravity suspension.


Note: User and expert rankings were reviewed across the web. Some expert reviews include these: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14.