Maker’s warranty: Lifetime warranty against defects in materials and workmanship; covers original owner; modifications without ULA’s approval void it; tune-ups and repairs for a fee. ULA Equipment’s terms, read Oct 25, 2026
A 30-liter day and travel pack from ULA Equipment in Robic fabric, offered in several Robic colors and with a removable 1-inch hip belt sold as an add-on. ULA lists a weight of 745 g.
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 21–39 L in the RidgeNote register with a published figure. Manufacturer-listed; sources and dates are on this page.
The lightest of the 21–39 L backpacks on record is Gossamer Gear Murmur 36 Hyperlight Backpack (Aluula) at 7.9 oz — 520 g less for $110 more.
The cheapest is Gossamer Gear Vagabond Jet at $130.00 — $110 less and 51 g lighter.
Main models on the same shelf, compared with the 30L Robic Dragonfly on the makers’ published figures; the tick on each bar is the 30L Robic Dragonfly.
Hyperlite Mountain Gear
Daybreak 22
7.1 oz lighter (201 g)
about the same list price
Gossamer Gear
Skala 38 Backpack
5.9 oz lighter (167 g)
$15 less
Hyperlite Mountain Gear
Elevate 22
8.6 oz lighter (243 g)
$25 more
Not ranked: 20 with no published volume, 1 with no published weight.
See all 17 →
Gossamer Gear
Vagabond Jet
$110 less
1.8 oz lighter (51 g)
Big Agnes
Sweetwater UL 28L
$10 less
2.7 oz heavier (77 g)
Gossamer Gear
Fast Kumo 36 Fastpack
$50 less
5.6 oz lighter (159 g)
Not ranked: 16 with no published volume, 9 with no published list price.
See all 18 →
Hyperlite Mountain Gear
Aspect 32
2 L more
1.0 oz heavier (29 g) · $130 more
Hyperlite Mountain Gear
Waypoint 35
5 L more
2.8 oz lighter (79 g) · $140 more
Hyperlite Mountain Gear
Vertex 32
2 L more
3.8 oz lighter (109 g) · $110 more
Not ranked: 21 with no published volume.
See all 14 →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.