The Atmos AG 65 is Osprey's ventilated backpacking pack, built around the Anti-Gravity suspended mesh backpanel, with an adjustable Fit-on-the-Fly hipbelt and harness.
Figures with a source link to the page they were read from, with the date we checked it.How we get these figures →Wrong figure? Tell us
Packs are sized by torso length, not height. How to measure yours →
Weight and price against the backpacks of 46–84 L in the RidgeNote register with a published figure; other figures against every one of the backpacks. Manufacturer-listed; sources and dates are on this page.
The lightest of the 46–84 L backpacks on record is Zpacks Women's Arc Haul Ultra 50L Backpack at 1.29 lb — 1,506 g less.
Main models on the same shelf, compared with the Atmos AG 65 Backpack on the makers’ published figures; the tick on each bar is the Atmos AG 65 Backpack.
Zpacks
Nero Classic Backpack
3.99 lb lighter (1,811 g)
Zpacks
Women's Arc Haul Ultra 50L Backpack
3.32 lb lighter (1,506 g)
Zpacks
Women's Arc Haul Ultra 60L Backpack
3.30 lb lighter (1,495 g)
Not ranked: 20 with no published volume, 2 with no published weight.
See all 30 →
Hyperlite Mountain Gear
Halka 70
5 L more
1.47 lb lighter (666 g)
Zpacks
Arc Pro 70L Backpack
5 L more
3.19 lb lighter (1,447 g)
Zpacks
Arc Haul Ultra 70L Backpack
5 L more
3.22 lb lighter (1,462 g)
Not ranked: 21 with no published volume.
See all 4 →Side by side on weight, list price and cost per ounce.
Ultralight backpacks ranked by maker-published weight: 40 models. Lightest: Gossamer Gear Murmur 36 Hyperlight Backpack (Aluula) at 7.9 oz (225 g).
Six backpacking packs from 45 to 68 L: how to fit one, then their published volume, frame, load range, weight and list price, with a reason to skip each.