Cold Weather Synthetic Sleeping Bags

Brands

Mountain Hardwear
Ajungilak
Wiggy's
Slumberjack
Campus
High Peak
Gaertner
Jack Wolfskin
ALPS Mountaineering
Helsport

Genders

Unisex
Men's
Women's

Price

less than $100
$100 - $199.99
$200 - $299.99
$300 - $399.99
$400 - $499.99
$500 and above

Recent Cold Weather Synthetic Sleeping Bag Reviews

Slumberjack Latitude -20°F

rated 5 of 5 stars Bag lives up to its name. People who contest otherwise are not dressing appropriately (overdressing) and should find other activities than outdoor ones. This bag keeps you warm. Some writers have indicated that it is overrated. ALL bags are rated for ideal conditions and are thus overrated for some activities. ALL. Bag is comfortable, loft holds up well. NOTE: you cannot overdress and use a bag that is designed for this low of a temperature. The more you wear, the more you will actually sweat. Sweat… Full review

The North Face Dark Star -40

rated 4 of 5 stars If you are crazy enough to winter camp in northern Minnesota (or most places in Canada for that matter) and want an affordable extreme cold-weather bag, this one should be high on your list. Look folks, -40 degrees is cold. I mean COLD. Few of us will ever get to experience it. I came close, though. During a week-long winter camping trip to the BWCA in northern Minnesota the night temps fell to -30°F, and probably a few degrees colder. Our group had two cotton tents, neither heated at night, and… Full review

Big Agnes Yellow Wall SL 0°

rated 5 of 5 stars I spend most of the year in the hills and have used this bag exclusively for the last five. After owning and using a Big Agnes bag I will not use another brand. The product is well designed. The bag has been great. I have used it for five years, everywhere from Arizona to Oregon. It is the first Big Agnes bag that I have owned and now I will not use any other maker. Big Agnes equipment is built to be used and stand up to the demands of the outdoors. I am proud of all my Big Agnes gear. Full review

The North Face Dark Star -40

rated 3 of 5 stars Warm. This is a warm bag. It was used on a 5-day trip to Ontario in temps that hovered in the upper negative teens F. When I did not roll off my pads, the bag kept me extremely warm. When not on the pads, it still kept me comfortably warm, but with a slight chill. Not at all uncomfortable. This bag is also quick to dry in the morning. These are the only positives in my opinion. The zipper is unbelievably difficult to pull closed the last 6 remaining inches. The draft tube comes loose easily… Full review

ALPS Mountaineering Echo Lake -20

rated 3 of 5 stars A very warm and comfortable sleeping bag. While the Echo Lake -20 does the job, there are some things that could have been done better. I bought the ALPS Mountaineering Echo Lake -20 sleeping bag in October for dead-of-winter camping. Unfortunately we've had a very mild winter so far, and it wasn't until this past week that we've seen subzero temps. There's no sense in testing equipment if you're not going to approach or push the envelope, right? This past Monday and Wednesday nights were forecast… Full review

U.S. Armed Forces Modular Sleep System MSS

rated 5 of 5 stars Personally test, constantly used, tough as nails! I have personally used this sleep system more than a hundred time, both while I was in service and now as a civilian. It was my first purchase (of military gear) the week I had to turn in my Army issued MSS, right before retiring. It's warm, tough/durable, and with the bivy bag it's water tight. Now, a lot of people complain about its weight (being around 10-12 lbs all together), but I am 6' 4" and 255 lbs, and I never even noticed when it was in… Full review

ALPS Mountaineering Desert Pine -20

rated 4 of 5 stars A warm, but heavy, bag at an amazing price. Warmth (and conditions):  This bag is rated for -20° and I've used it several times, once in the teens and several times in the twenties, every time under the stars either in an open field or on my porch. I slept on a 2" self-inflatable air-mat and wore Polartec Powerdry expedition-weight base layer top and bottom, a Polartec Thermal Pro fleece jacket, a merino wool gaiter, a knit acrylic hat, thin acrylic gloves, and heavy wool socks. I didn't notice… Full review

Wiggy's Super Light FTRSS

rated 4.5 of 5 stars Worth almost every penny. I purchased this bag in January of 2012 to replace two bags (Eureka! 20 degree bag and Backside 0 degree bag) figuring that I wanted to do some Adirondack camping and would like the option to camp four seasons. At the time of purchase this system came with a free pillow made from the same material, but didn't come with its own stuff sack which wasn't a big deal, but would have been nice. The system was also on sale at the time, Wiggy's was having a sale that basically said… Full review

ALPS Mountaineering Crescent Lake -20

rated 5 of 5 stars Warmth, compressibility. Definitely recommended. For any person planning a backpacking trip in early spring, late fall, hut ski trips, mountain climbing, camping, etc. I am an avid backpacker and needed a relatively lightweight, heavy-duty, cold weather sleeping bag. This one fit the bill perfectly. I live in Colorado, and the nights get very cold. This bag keeps you warm all the way to your toes. There is not a lot of moisture buildup. There may be some if it is slightly humid/ raining but not… Full review

Top-Rated Cold Weather Synthetic Sleeping Bags

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user rating: 5 of 5 (2)
Mountain Hardwear Lamina -15°
$300
 
user rating: 5 of 5 (4)
Ajungilak Tyin Elite
user rating: 5 of 5 (3)
Wiggy's Antarctic
 
user rating: 5 of 5 (2)
Wiggy's Ultra Light FTRSS
user rating: 5 of 5 (2)
Slumberjack Big Timber -20°F
$140 MSRP
 
user rating: 5 of 5 (2)
Campus Polar
 
user rating: 5 of 5 (1)
Ajungilak Tyin Winter
 
user rating: 5 of 5 (1)
High Peak Extreme Pak
 
user rating: 5 of 5 (1)
Gaertner Tasilaqu
 
user rating: 5 of 5 (1)
Jack Wolfskin Black Ice
user rating: 5 of 5 (1)
ALPS Mountaineering Crescent Lake -20
$100 MSRP
 
user rating: 5 of 5 (1)
High Peak Cascade -5
 
user rating: 5 of 5 (1)
Helsport Arctic Super
 
user rating: 5 of 5 (1)
Nebo Sports Bear -10
user rating: 5 of 5 (1)
Browning McKinley -30
 
user rating: 5 of 5 (4)
The North Face Dark Star 3D
discontinued
 
user rating: 5 of 5 (2)
Marmot Cloud 9
discontinued
 
user rating: 5 of 5 (1)
Sierra Designs Belle Star
discontinued
 
user rating: 5 of 5 (1)
Highpoint Calmaan IV
discontinued
 
user rating: 5 of 5 (1)
Slumberjack All Climate 3-in-1
discontinued
 
user rating: 5 of 5 (1)
ALPS Mountaineering Blue Ridge -20
discontinued
 
user rating: 5 of 5 (1)
Moonstone Maxima
discontinued
 
user rating: 5 of 5 (1)
The North Face Igloo
discontinued
 
user rating: 5 of 5 (1)
Slumberjack Q3 System
discontinued
 
user rating: 5 of 5 (1)
The North Face Titan
discontinued
user rating: 4.5 of 5 (7)
Wiggy's Super Light FTRSS
 
user rating: 4.5 of 5 (5)
U.S. Armed Forces Modular Sleep System MSS
 
user rating: 4.5 of 5 (3)
Nebo Sports Blue Moose -10
user rating: 4.5 of 5 (1)
Slumberjack Esplanade -20ºF
$100 MSRP
 
user rating: 4.5 of 5 (1)
Black Pine Sports The Big Johnson -5
 
user rating: 4.5 of 5 (1)
Wiggy's FTRSS
 
user rating: 4.5 of 5 (3)
EMS LT -20
discontinued
user rating: 4 of 5 (1)
Kelty Mistral -20
$120
user rating: 4 of 5 (8)
Wiggy's Ultima Thule
 
user rating: 4 of 5 (1)
Nebo Sports Collosal -5
user rating: 4 of 5 (1)
ALPS Mountaineering Desert Pine -20
 
user rating: 4 of 5 (1)
Helsport Baffin Modular
 
user rating: 4 of 5 (1)
Eureka! Eagle Point
$100 MSRP
 
user rating: 4 of 5 (1)
Wiggy's Ultra Light Patrol system
 
user rating: 4 of 5 (10)
The North Face Tundra 3D
discontinued
user rating: 4 of 5 (4)
Big Agnes Yellow Wall SL 0°
discontinued
 
user rating: 4 of 5 (4)
The North Face Bigfoot
discontinued
 
user rating: 4 of 5 (2)
Sierra Designs Black Out -15
discontinued
 
user rating: 4 of 5 (2)
Slumberjack -20°F Mummy
discontinued
 
user rating: 4 of 5 (2)
The North Face Serac 3D
discontinued
 
user rating: 4 of 5 (1)
MontBell Northern Light
discontinued
 
user rating: 4 of 5 (1)
Extel Deep Freeze oversized
discontinued
 
user rating: 4 of 5 (1)
EMS Boreal -20
discontinued
 
user rating: 4 of 5 (1)
Arctic Death -30° F Mummy
discontinued
 
user rating: 4 of 5 (1)
L.L.Bean Lite Loft -20°
discontinued
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