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 40°F down quilt from Hyperlite Mountain Gear with 1000 fill power DWR-treated down, a 7D micro ripstop shell, a sewn closed footbox, center push clips, a neck drawcord and two pad attachment straps. Hyperlite Mountain Gear lists a weight of 408 g (14.4 oz) in Regular.
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
Weight and price against the sleeping bags & quilts rated 30°F to 50°F in the RidgeNote register with a published figure; other figures against every one of the sleeping bags & quilts. Manufacturer-listed; sources and dates are on this page.
The lightest of the sleeping bags & quilts rated 30°F to 50°F on record is Zpacks Solo Quilt at 11.8 oz — 73 g less.
The cheapest is Sea to Summit Boab Synthetic Sleeping Bag at $124.00 — $306 less and 819 g heavier.
Main models on the same shelf, compared with the 40-Degree Quilt on the makers’ published figures; the tick on each bar is the 40-Degree Quilt.
Sea to Summit
Spark Women's Down Sleeping Bag
0.9 oz lighter (26 g)
$81 less
Zpacks
Solo Quilt
2.6 oz lighter (73 g)
Zpacks
Classic Sleeping Bag
2.2 oz lighter (61 g)
Not ranked: 25 with no published weight.
See all 4 →Sea to Summit
Spark Women's Down Sleeping Bag
$81 less
0.9 oz lighter (26 g)
Therm-a-Rest
Vesper 32°F/0°C Down Quilt
$30 less
1.1 oz heavier (32 g)
Gossamer Gear
Cumulus Aerial 330 Sleeping Bag
$31 less
2.6 oz heavier (74 g)
Not ranked: 59 with no published list price.
See all 15 →Sea to Summit
Spark Women's Down Sleeping Bag
rated 1°F warmer
0.9 oz lighter (26 g) · $81 less
Therm-a-Rest
Vesper 32°F/0°C Down Quilt
rated 8°F warmer
1.1 oz heavier (32 g) · $30 less
Zpacks
Zip Around Sleeping Bag
rated 10°F warmer
1.3 oz heavier (38 g)
Not ranked: 25 with no published temperature rating.
See all 55 →Sleeping bags rated 15 to 25°F ranked by maker-published weight: 22 models. Lightest: Therm-a-Rest Vesper 20°F/-6°C Down Quilt at 1.21 lb (550 g).
Sleeping bags and quilts rated 26 to 35°F ranked by maker-published weight: 16 models. Lightest: Zpacks Solo Quilt at 11.8 oz (335 g). Median 1.39 lb.
How to read a temperature rating, why fill weight matters more than fill power, per-size prices, and what the makers publish for the Kelty Cosmic 20, the Western Mountaineering line, NEMO, Sea to Summit, Mountain Hardwear and Therm-a-Rest.