Real owners rate these about evenly: 78% of 190 Osprey Atmos AG 65 owners recommend it, vs 77% of 311 for the Osprey Exos 58.
Verdicts aggregated from Reddit, enthusiast forums, and YouTube owner comments — affiliate reviews excluded. Sample sizes differ; judge accordingly. How we score
Comfort and a ventilated mesh back anchor both the Exos 58 and the Atmos AG 65, and owners of each say the pack moves load onto the hips well. Exos 58 owners prize its light weight for a framed pack, its ability to carry moderate loads up to about 35 lbs, and room for a bear canister, but they warn it grows uncomfortable above that weight, the light fabric can tear over time, the fit is hit-or-miss, and the frame can squeak. Atmos AG 65 owners credit the Anti-Gravity suspension for making heavier 35-40 lb loads feel lighter and keeping the back cool, backed by Osprey's warranty, while faulting its near-5 lb weight, a hip belt that softens past about 40 lbs, squeaking under load, and small hip-belt pockets. A backpacker counting ounces who stays under roughly 35 lbs leans to the Exos 58; one who wants maximum comfort under heavier loads leans to the Atmos AG 65. The decision hinges on whether pack weight or heavy-load comfort matters more.
“Highly recommended”— @LowGearHiker on YouTube
“Definitely worth the price they have an unbeatable warranty”— @anthonygolden3685 on YouTube
“I had the Osprey Atmos AG 65 backpack, Naturehike Cloud Up 2 tent and an REI sleeping bag - all of which were really heavy. I have since started to buy much lighter gear.”— The_Light_Explorer on Reddit
“For the past 2 years I've been using an Osprey Exos 58. It's lightweight, but can handle a good sized load.”— Dr_WolfRyder on Reddit
“If you like Osprey, an Exos 58 L is about 2.5 lbs., has the nice suspension and ride, carries weight well when you have to, and a bear can will fit.”— see_blue on Reddit
“Yep, Osprey Exos 58 bruised and rubbed raw a half dollar+ size spot on each hip bone. No amount of adjusting stopped this.”— Rocko9999 on Reddit
Comfort and a ventilated mesh back anchor both the Exos 58 and the Atmos AG 65, and owners of each say the pack moves load onto the hips well. Exos 58 owners prize its light weight for a framed pack, its ability to carry moderate loads up to about 35 lbs, and room for a bear canister, but they warn it grows uncomfortable above that weight, the light fabric can tear over time, the fit is hit-or-miss, and the frame can squeak. Atmos AG 65 owners credit the Anti-Gravity suspension for making heavier 35-40 lb loads feel lighter and keeping the back cool, backed by Osprey's warranty, while faulting its near-5 lb weight, a hip belt that softens past about 40 lbs, squeaking under load, and small hip-belt pockets. A backpacker counting ounces who stays under roughly 35 lbs leans to the Exos 58; one who wants maximum comfort under heavier loads leans to the Atmos AG 65. The decision hinges on whether pack weight or heavy-load comfort matters more.
Owners point the Osprey Atmos AG 65 at multi-day and thru-hikers carrying loads around 30 to 40 lbs, and sweaty-backed hikers wanting the ventilated anti-gravity suspension.
Owners point the Osprey Exos 58 at multiday and thru-hikers wanting a light framed pack, and hikers who sweat and want a ventilated mesh back.
The most-cited downside of the Osprey Atmos AG 65 is heavy for its class at roughly 4.5-5 lb empty. For the Osprey Exos 58, it's uncomfortable above roughly 35 lbs.