Maker’s warranty: Manufacturing defects are repaired, replaced or refunded (no term stated); covers original purchaser from an authorized dealer; not purchases from third-party sites (Amazon, eBay, Craigslist); paid repairs. Hyperlite Mountain Gear’s terms, read Oct 25, 2026
A 15-liter running vest pack from Hyperlite Mountain Gear in ALUULA 97 fabric, with thermo-welded construction for water resistance. A full-connection vest harness and a welded foam back panel keep it close to the body to limit bounce. Hyperlite lists a weight of 352 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 11–19 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 11–19 L backpacks on record is Gossamer Gear Minimalist 19 at 11.6 oz — 23 g less and $181 less; at $69.00 it is also the cheapest.
Main models on the same shelf, compared with the Pemi 15 on the makers’ published figures; the tick on each bar is the Pemi 15.
Not ranked: 20 with no published volume, 1 with no published weight.
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Gossamer Gear
Minimalist 19
$181 less
0.8 oz lighter (23 g)
SealLine
Skylake Dry Daypack
$100 less
1.0 oz heavier (28 g)
Gossamer Gear
Cima 15 Daypack
$130 less
5.4 oz heavier (153 g)
Not ranked: 16 with no published volume, 5 with no published list price.
See all 5 →Gossamer Gear
Minimalist 19
4 L more
0.8 oz lighter (23 g) · $181 less
SealLine
Skylake Dry Daypack
3 L more
1.0 oz heavier (28 g) · $100 less
Not ranked: 21 with no published volume.
Open in search →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.