Lightest sleeping bags & quilts: 24 models measured

Every one of the sleeping bags & quilts in the RidgeNote register with a manufacturer-published figure, placed on the distribution. 32 of 56 publish no usable weight and are listed but not ranked. 3 other products on this shelf are not sleeping bags & quilts and are listed below, unranked. Figures are manufacturer-listed and dated on each product page; nothing here is weighed by us.

Measured guides for this shelf

What Is the Lightest 20 Degree Sleeping Bag in 2026updated 2026-09-19
What's the Lightest Ultralight Sleeping Bag Worth Buying in 2026?updated 2026-09-18
What Is the Lightest 30 Degree Sleeping Bag in 2026?updated 2026-09-18

The spread

Weight · 24 of 56 published: 11.6 oz
lightest
1.02 lb
25th
2.04 lb
median
2.69 lb
75th
4.50 lb
heaviest
Price · 29 of 56 published: $124.00
cheapest
$259.95
25th
$364.00
median
$449.95
75th
$789.95
priciest
Temperature rating · 38 rated: -40 °F
min
12 °F
25th
20 °F
median
30 °F
75th
45 °F
max

Lightest at each price

The least you can carry for what you are willing to spend — the frontier, not a favourite.

$100 – $200
Kelty Cosmic 20 Down Sleeping Bag
2.41 lb · $189.95
$200 – $350
Sea to Summit Spark Women's Down Sleeping Bag
14.9 oz · $349.00
Over $350
Gossamer Gear Cumulus x Gossamer Gear Aerial 330 Sleeping Bag
11.6 oz · $399.00

All 24 sleeping bags & quilts, lightest first

#	Model	Weight	vs median	Price	$/oz
1	Gossamer Gear Cumulus x Gossamer Gear Aerial 330 Sleeping Bag	11.6 oz	-64%	$399.00	$34.38
2	Zpacks Solo Quilt	11.8 oz	-64%	—	—
3	Zpacks Classic Sleeping Bag	12.2 oz	-62%	—	—
4	Sea to Summit Spark Women's Down Sleeping Bag	14.9 oz	-54%	$349.00	$23.39
5	Zpacks Zip Around Sleeping Bag	15.7 oz	-52%	—	—
6	Hyperlite Mountain Gear 40-Degree Quilt	1.02 lb	-50%	$430.00	$26.39
7	Sea to Summit Spark Pro 30	1.06 lb	-48%	$549.00	$32.42
8	Therm-a-Rest Vesper Quilt 32F	1.19 lb	-42%	$439.95	$23.10
9	Zpacks Mummy Sleeping Bag	1.38 lb	-32%	—	—
10	Sea to Summit Trek 30-Degree Down	1.59 lb	-22%	$468.02	$18.43
11	Zpacks Twin Quilt	1.75 lb	-14%	—	—
12	Hyperlite Mountain Gear 20-Degree Mummy Bag	1.76 lb	-13%	$650.00	$23.03
13	NEMO Riff Down	2.31 lb	+13%	$449.95	$12.16
14	Mountain Hardwear Bishop Pass 30F Down	2.40 lb	+18%	$314.99	$8.20
15	Kelty Cosmic 20 Down Sleeping Bag	2.41 lb	+18%	$189.95	$4.93
16	Kelty Cosmic 20	2.44 lb	+20%	$189.95	$4.87
17	Sea to Summit Trek Down Sleeping Bag	2.64 lb	+29%	$364.00	$8.62
18	Sea to Summit Hamelin Synthetic Sleeping Bag	2.69 lb	+32%	$196.00	$4.55
19	Sea to Summit Boab Synthetic Sleeping Bag	2.89 lb	+42%	$124.00	$2.68
20	Sea to Summit Trek Women's Down Sleeping Bag	2.90 lb	+42%	$364.00	$7.84
21	Sea to Summit Hamelin Women's Synthetic Sleeping Bag	3.42 lb	+68%	$176.00	$3.22
22	Sea to Summit Basecamp Down Sleeping Bag	4.25 lb	+108%	$414.00	$6.09
23	NEMO Forte Synthetic	4.30 lb	+111%	$219.95	$3.20
24	NEMO Tempo Synthetic	4.50 lb	+121%	$199.95	$2.78

Also on this shelf, not ranked

Liners, sacks and straps are listed, not ranked.

Enlightened Equipment Quilt Layering Adapter · 0.5 oz
Zpacks Sleeping Bag Storage Sack · 6.7 oz
Big Agnes Sleeping Bag Mesh Storage Sack · 2.5 oz

How this is measured

Weights and prices are the manufacturer's published figures as recorded in the RidgeNote register, each with its source and the date it was read on the product page. Percentiles count only models with a published figure; ties count neither way. Price is the verified current price where one exists, otherwise the maker's list price. The ranked list is sleeping bags & quilts: Liners, sacks and straps are listed, not ranked.The register is re-read on a schedule, so this page reflects the catalogue as of its last build. As an Amazon Associate, RidgeNote earns from qualifying purchases.