Maker’s warranty: 2 year limited warranty against product failure caused by manufacturing, material and design defects; repaired when possible or replaced, case by case. Zpacks’s terms, read Oct 25, 2026
The Arc Pro is what happens when a proven long-distance backpack gets stripped down and rebuilt around durability, simplicity, and effortless access. Delivering a technical look and serious trail performance, the Arc Pro is built with rugged Ultra 100X and Ultra TenX fabric for the demands of long-distance hiking. Veno
Weight and price against the backpacks of 49–91 L in the RidgeNote register with a published figure. Manufacturer-listed; sources and dates are on this page.
The lightest of the 49–91 L backpacks on record is Zpacks Women's Arc Haul Ultra 50L Backpack at 1.29 lb — 59 g less.
Main models on the same shelf, compared with the Arc Pro 70L Backpack on the makers’ published figures; the tick on each bar is the Arc Pro 70L Backpack.
Zpacks
Nero Classic Backpack
12.8 oz lighter (364 g)
Zpacks
Women's Arc Haul Ultra 50L Backpack
2.1 oz lighter (59 g)
Zpacks
Women's Arc Haul Ultra 60L Backpack
1.7 oz lighter (48 g)
Not ranked: 20 with no published volume, 2 with no published weight.
See all 8 →Nothing on record is roomier than the Zpacks Arc Pro 70L Backpack among 49–91 L backpacks.
Not ranked: 21 with no published volume.
Ultralight backpacks ranked by maker-published weight: 39 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.