Experience the Unbound, the ultimate lightweight backpack for thru-hiking. Made with Dyneema, it's weatherproof and perfect for long journeys.
Packs are sized by torso length, not height. How to measure yours →
Against every one of the backpacks in the RidgeNote register with a published figure. Manufacturer-listed; sources and dates are on this page.
The lightest of the backpacks on record is Sea to Summit Ultra-Sil Daypack at 2.5 oz — 747 g less.
Main models on the same shelf, compared with the Unbound on the makers’ published figures; the tick on each bar is the Unbound.
Sea to Summit
Ultra-Sil Daypack
1.65 lb lighter (747 g)
Sea to Summit
Ultra-Sil Dry Daypack
1.56 lb lighter (709 g)
Hyperlite Mountain Gear
Stuff Pack 30
1.51 lb lighter (686 g)
Not ranked: 6 with no published weight.
See all 30 →Hyperlite Mountain Gear backpacking packs ranked by maker-published weight: 10 models. Lightest: Hyperlite Mountain Gear Contour 35 at 1.01 lb (459 g).
Ultralight backpacks ranked by maker-published weight: 20 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.