
NEMO Sonic down mummy sleeping bag handles -20°F to 40°F with Thermo Gill venting. Backpacker Editors' Choice winner for warmth and tuneability.
Figures with a source link to the page they were read from, with the date we checked it.How we get these figures →
Against every one of the sleeping bags & quilts in the RidgeNote register with a published figure. Manufacturer-listed; sources and dates are on this page.
The lightest of the sleeping bags & quilts on record is Zpacks Solo Quilt at 11.8 oz — 1649 g less.
Main models on the same shelf, compared with the Sonic Ultralight Mummy Sleeping Bag on the makers’ published figures; the tick on each bar is the Sonic Ultralight Mummy Sleeping Bag.

Zpacks
Solo Quilt
3.64 lb lighter (1649 g)

Zpacks
Classic Sleeping Bag
3.61 lb lighter (1637 g)

Western Mountaineering
Nanolite Top Quilt
3.56 lb lighter (1614 g)
Not ranked: 6 with no published weight.
See all 50 →Sleeping bags rated 15 to 25°F ranked by maker-published weight: 21 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: 15 models. Lightest: Zpacks Solo Quilt at 11.8 oz (335 g). Median 1.36 lb.
Quilt sleeping bags and quilts ranked by maker-published weight: 9 models. Lightest: Zpacks Solo Quilt at 11.8 oz (335 g). Median 1.23 lb.