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3-Season Down Sleeping Bags

The best 3-season down sleeping bags, reviewed and curated by the Trailspace community. The latest review was added on January 12, 2022. Stores' prices and availability are updated daily.

user rating: 5 of 5 (4)
Western Mountaineering Apache MF
$595
user rating: 5 of 5 (4)
EMS Mountain Light 20
$175 - $181
user rating: 5 of 5 (4)
Marmot Lithium
$512 - $594
user rating: 5 of 5 (3)
Marmot Angel Fire
$239 - $319
user rating: 4.5 of 5 (18)
Kelty Cosmic 20
$123 - $209
user rating: 4.5 of 5 (8)
Marmot Never Summer
$301 - $376
user rating: 5 of 5 (2)
NEMO Disco 30
$260 - $279
user rating: 5 of 5 (2)
Sea to Summit Trek TK II
$299 - $329
user rating: 4.5 of 5 (5)
Marmot Teton 15
$25 - $374
user rating: 4.5 of 5 (4)
Mountain Hardwear Phantom 0F/-18C
$620 - $640
user rating: 4.5 of 5 (4)
Western Mountaineering AlpinLite
$585 - $605
user rating: 4.5 of 5 (3)
Kelty Cosmic 0
$220 - $319
user rating: 4.5 of 5 (2)
Sierra Designs Cloud 800 / 20 Degree
$320 - $339
user rating: 5 of 5 (1)
Marmot Phase 30
$426 - $494
user rating: 5 of 5 (1)
Sierra Designs Nitro 800 / 20 Degree
$320 - $339
user rating: 5 of 5 (1)
Therm-a-Rest Parsec 20F
$380 - $419
user rating: 5 of 5 (1)
Sierra Designs Cloud 800/20 Degree
$320 - $339
user rating: 5 of 5 (1)
Big Agnes Torchlight UL 20
$400 - $419
user rating: 4 of 5 (26)
Marmot Sawtooth 15
$257 - $348
user rating: 4 of 5 (21)
Marmot Helium 15
$412 - $478
user rating: 4 of 5 (10)
Marmot Hydrogen 30
$341 - $399
user rating: 4 of 5 (8)
Marmot Never Winter
$199 - $246
user rating: 4 of 5 (8)
Western Mountaineering UltraLite
$500 - $540
user rating: 4 of 5 (8)
Western Mountaineering SummerLite
$410 - $440
user rating: 4 of 5 (7)
Mountain Hardwear Phantom 15F/-9C
$520 - $580
user rating: 4 of 5 (3)
The North Face Gold Kazoo
$240
user rating: 4.5 of 5 (1)
Sierra Designs Nitro Quilt 800 / 20 Degree Top Quilt / Down
$250 - $279
user rating: 4.5 of 5 (1)
Western Mountaineering Antelope GWS
$765 - $790
user rating: 4 of 5 (1)
Rab Ascent 700
$240 - $314
user rating: 4 of 5 (1)
Big Agnes Diamond Park 15
$350
user rating: 4 of 5 (1)
NEMO Sonic 0
$480 - $599
user rating: 4 of 5 (1)
Sea to Summit Talus TS2
$300
user rating: 3.5 of 5 (21)
The North Face Blue Kazoo
$280 - $310
user rating: 3.5 of 5 (2)
Big Agnes Roxy Ann 15°
$190
user rating: 3.5 of 5 (1)
Big Agnes King Solomon 15°
$430
user rating: 3.5 of 5 (1)
The North Face Inferno 0F/-18C
$519 - $660
user rating: 3.5 of 5 (1)
Mountain Equipment Glacier 700
$475 - $499
user rating: 3 of 5 (1)
Sierra Designs Backcountry Bed 700 / 20 Degree
$260 - $299
Sierra Designs Nitro 800 / 0 Degree
$360
user rating: 5 of 5 (12)
Western Mountaineering MegaLite
user rating: 5 of 5 (8)
Western Mountaineering VersaLite
user rating: 5 of 5 (5)
NEMO Strato Loft 25
$370 MSRP
user rating: 5 of 5 (5)
Sierra Designs Backcountry Bed 800 3-Season
$400 MSRP
user rating: 5 of 5 (4)
MontBell U.L. Spiral Down Hugger #1
$379 MSRP
user rating: 5 of 5 (4)
Valandré Shocking Blue
user rating: 5 of 5 (3)
Feathered Friends Lark
$439 MSRP
user rating: 5 of 5 (3)
Sierra Designs Nitro 15
$380 MSRP
user rating: 5 of 5 (3)
Feathered Friends Snowbunting
$599 MSRP
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Recent 3-Season Down Sleeping Bag Reviews

rated 5 of 5 stars
Sea to Summit Trek TK II

Good blend of performance, weight, and price. Spent WAY too much time searching for a sleeping bag that hit my top three "must haves" Lightweight Warm Not constricting Tried Big Agnes, North Face, a very attractive offering from Thermolite, REI's own brand, etc...  Finally decided on the Trek TKII after a test of the TK I version at my local REI.  It met my top three musts closely enough to earn a top rating. The Good: This is a semi-rectangular bag, not a mummy bag. That means is the shape is… Full review

rated 5 of 5 stars
Patagonia Hybrid Sleeping Bag

Did some winter cold camping last year in about 10 degrees above temps. It kept me toasty warm. The extra footbed warmth saved my toes and the two-way zipper was great when I needed to use my hands. It is extremely light and great for backpacking. Very packable and light. Love the hood on the bag, cinches down nice to keep the face warm. The two-way zipper is great for sitting up and being able to use your arms. I did some winter camping with it in about 10 above temps. The extra warmth in the footbed… Full review

rated 5 of 5 stars
Western Mountaineering VersaLite

The Western Mountaineering Versalite is just an overall great sleeping bag. While a bit on the pricey side, the Versalite is a well thought out sleeping bag design that is roomy, provides great warmth for its weight, and utilizes quality materials and construction. The Western Mountaineering Versalite is a great choice for anyone who has reached the point where they are looking to invest in a sleeping bag that will provide great performance in a very lightweight design. Overview I’ve owned a number… Full review

rated 4.5 of 5 stars
Katabatic Gear Palisade 30° Quilt

A great quilt with top notch materials. It is a bit higher price point than its competitors. The issue many people have is correct sizing. The quilt seems to run a little small unless you are a dead still back sleeper. Size up!! Really nice quilt. Warm, light, durable, and well designed. The price point was a bit higher than competitors at the time of my purchase and I think that has been the primary drawback of this product for me. I have seen other online reviews, in particular Outdoor Gear Lab,… Full review

rated 5 of 5 stars
Marmot Helium 15

Wide temperature range. Light. Warm. Roomy. I own several Marmot sleeping bags from the lightweight Hydrogen to the extreme conditions Cwm. The Helium is my all around favorite, the one bag I would own if I could only own one and the one I reach for most often. In my experience, high quality down has a much larger temperature range than synthetics. The Helium has a design feature that maximizes this versatility that you will either love or hate. Most sleeping bags have a side baffle to prevent the… Full review

rated 3.5 of 5 stars
Mountain Equipment Glacier 700

Great overall materials for the price, but a few major flaws. I would love to love this bag. I searched for a long time and for its price class (<300 euro), it has one of the best specs/weight ratio. It is warm (rated for 5°F, -15°C ), very lofty (700 cu in down,  >=90% down), has a water-repellent outer material, the down distributes well and stays in place in the baffles. However there are a few problems for this bag that made me return it after testing at around -1°C (~30°F). I am… Full review

rated 4.5 of 5 stars
Sierra Designs Nitro Quilt 800 / 20 Degree

I bought one based on reviews. I had some issues but the company stepped up and fixed the issue. I am very happy with the new one. I bought one based on the reviews. I really like the design.  I had a minor issue on delivery. I contacted the company and their response was slow but they took care of me. They gave me a return number and offered to replace it. The new one is perfect. Full review

rated 4.5 of 5 stars
REI Igneo 25

I’ve gotten through some very cold nights at higher altitudes by wearing cold weather gear and a bag liner inside my Igneo 25 long. Good value and quality with some very nice design features for the price. The light weight and compressibility is outstanding. After two years it is still my “go to” when heading out with a backpack. Thumbs up! Full review

rated 4 of 5 stars
Western Mountaineering SummerLite

Used this for a month in the woods for military training exercises. It's great for sleeping outdoors even if you don't have a cushion or sleeping pad. I got one for a military training exercise since the army ones aren't as comfortable. I didn't mind the price for comfort, however, it doesn't do well in wet conditions. Moisture still seeks in and gets a weird smell. If you're not going to be in a wet area, it's perfect. The Summerlite rips TOO easily, I found a gap on the back after sleeping on… Full review