3-Season Synthetic Sleeping Bags

Brands

Snugpak
Eureka!
NEMO
ALPS Mountaineering
REI
Wiggy's
Sierra Designs
Texsport
Vango
Nunatak Gear

User

Unisex
Men's
Women's
Kids'
Boys'
Girls'

Price

less than $50
$50 - $99.99
$100 - $199.99
$200 - $299.99
$300 - $399.99
$400 and above

Recent 3-Season Synthetic Sleeping Bag Reviews

Marmot Trestles 20 Semi Rec

rated 4 of 5 stars After doing some research, I wanted a bag that was synthetic and wasn't a tight fitting mummy bag. This fits the bill. The double zippers are great and allow the bag to breathe on hot nights. I've never been cold with this bag, even when the temperate outside dips into the 20s. I have found that in that range, the bag does take sometime to warm up inside. As everyone else has said, the zippers do tend to get caught on the fabric a lot. The glow-in-the dark zipper finders are also pretty weak too. Full review

Teton Sports TrailHead +20F Ultralight

rated 4 of 5 stars Very comfortable and warm material. Good bag for the price. A bit snug around the shoulders. Lightweight and well built. Fits well in my backpack compartment. It's also a bit too long for me (5'8"). I have used this tent twice this spring/summer already since I purchased it. The first time was in the spring around Mother's Day and I was comfortable the first night when the temps were above 35 degrees. The second night it dropped down under and I found myself a bit chilled, not too bad, but just… Full review

Mountain Hardwear HyperLamina Flame 20

rated 4 of 5 stars I purchased this bag for sea kayaking in the NW. This bag is warm, compresses small for a synthetic filled bag, and has a roomy footbox and a relaxed mummy design. First off, I have used this bag on multiple trips, both backpacking, sea kayaking, and car camping. I feel I have used it enough to give a solid review of its features. This bag is light enough to carry and compresses small for a synthetic bag. It has no noticeable cold spots. The baffles seem to hold the fill in place well. The best… Full review

Wiggy's Sleeping Bag

rated 1 of 5 stars Just got off the phone with Jerry with a problem with a 0-degree bag not keeping me warm in 35-degree weather,  So asked what he suggested, to my surprise no help with possibility of a problem with the bag. His fix was buy fishnet long underwear for 80 dollars. Too funny! OK, I will use this bag for my dog to sleep on and go buy a good bag. Full review

Mountain Hardwear UltraLamina 0°

rated 5 of 5 stars The bag is warm, packable, and good quality. Someone who sleeps cold should do well in this bag. This is the best sleeping bag I've used so far. Using it recently on the AT it kept me warm @ 20°F and got too hot when I zipped it up the second night @27°F in the tent. I have a feeling it will go down to 0°F, but it works well into the teens. Have the regular size so there is extra room all over the bag for me to move around in. I probably should have a short, but the extra room allows me to store… Full review

Marmot Men's Trestles 30

rated 3 of 5 stars Gone are the days when Marmot made durable and hardcore outdoor products. Instead, we now have Marmot, the maker of average to subpar outdoor products that are at best just a step ahead of Walmart quality. The Trestles 30 is suitable for car camping and campground only outings. While I cannot say the Trestles 30 is a "bad" bag, I also can't say this is a bag that is going to do anything more than be a decent bag for car camping and front country endeavors. Like other Marmot products I have tested… Full review

Mountain Hardwear Pinole 20°

rated 4.5 of 5 stars Warm cozy and bulky synthetic sleeping bag that weighs almost as little as a down sleeping bag. Excellent quality and features. I used this sleeping bag while hiking for two months the Israeli National Trail and I did like it a lot. I'm a very cold sleeper, with a slim fit, which means finding a good sleeping bag is a nightmare for me, but I did find this bag warm with no cold spots, which was a nice surprise. I used it in freezing desert nights and misty damp nights, and while most of the other… Full review

ALPS Mountaineering Crescent Lake 0

rated 3 of 5 stars Nice bag. Light but extremely bulky. Took this bag on a 10-day float on the Green River. Needed to buy a 35 L dry bag to replace the stuff sack as it took way too much space in my pack. Temperatures dropped to mid forties and the bag was very comfortable. The bag had no cold spots or drafts and fit perfectly. The bag doesn't compress well and is too bulky.  Full review

The North Face Squall

rated 4 of 5 stars Lightweight, synthetic mummy bag with 20 degree rating. I picked up this bag on a closeout sale for around $75. Especially for the price, it has really been a good investment. I've used it in below-freezing temps, as well as the summer. It gets a little too warm in the summer, but otherwise it has done everything I've asked of it. I've had it since 2003, and it still looks brand new. It is machine washable, and all seams and zippers hold up well against wear and tear. I'm a 5'4" female, so I have… Full review

Top-Rated 3-Season Synthetic Sleeping Bags

Sort by: name | rating | price | availability | recently reviewed

user rating: 5 of 5 (2)
Snugpak Jungle
$63
user rating: 5 of 5 (2)
Eureka! Wild Basin 0
$65 - $84
user rating: 5 of 5 (1)
NEMO Mezzo Loft
$230
user rating: 5 of 5 (1)
ALPS Mountaineering Desert Pine 0
$91
user rating: 5 of 5 (1)
REI Lumen +25
$159
user rating: 5 of 5 (1)
ALPS Mountaineering Echo Lake 20
$40 - $49
user rating: 5 of 5 (3)
Wiggy's Nautilus
user rating: 5 of 5 (2)
REI Polar Pod +25
$90 MSRP
user rating: 5 of 5 (1)
Sierra Designs Rosa 20
$120 MSRP
 
user rating: 5 of 5 (1)
Texsport Big Bend Sleeping Bag
 
user rating: 5 of 5 (1)
Vango Omega 300
 
user rating: 5 of 5 (1)
Nunatak Gear Half Bag
user rating: 5 of 5 (1)
Wiggy's Hunter Super Lt
$275 MSRP
user rating: 5 of 5 (1)
Mountain Hardwear UltraLamina 0°
$220 MSRP
user rating: 5 of 5 (1)
Slumberjack Timberjack 0
$85 MSRP
user rating: 5 of 5 (1)
Downright Tundra
 
user rating: 5 of 5 (1)
Woods Canada Kootenay 900
 
user rating: 5 of 5 (1)
Wynnster Elite Lite SL2L
 
user rating: 5 of 5 (1)
Nebo Sports Sequoia
user rating: 5 of 5 (1)
Mountain Hardwear Mountain Goat 20°
$95 MSRP
user rating: 5 of 5 (1)
Sierra Designs Dragonfly 20
$100 MSRP
 
user rating: 5 of 5 (5)
EMS LT 20
discontinued
 
user rating: 5 of 5 (3)
Coleman Peak 1
discontinued
user rating: 5 of 5 (3)
MontBell Super Stretch Burrow Bag #3
discontinued
user rating: 5 of 5 (3)
Mountain Hardwear Flip 25°/40°
discontinued
 
user rating: 5 of 5 (2)
Slumberjack Himalayan +5°F
discontinued
 
user rating: 5 of 5 (2)
Kelty Lupine 3D 20
discontinued
user rating: 5 of 5 (2)
Marmot Wizard
discontinued
 
user rating: 5 of 5 (2)
Kelty Thru Hiker
discontinued
user rating: 5 of 5 (2)
Mountain Hardwear Cloudburst SL 32°
discontinued
 
user rating: 5 of 5 (2)
Moonstone Delta Cirrus
discontinued
 
user rating: 5 of 5 (2)
EMS Boreal 20 Big Bag
discontinued
 
user rating: 5 of 5 (2)
EMS 0° F mummy
discontinued
 
user rating: 5 of 5 (2)
ALPS Mountaineering Silver Springs 20
discontinued
 
user rating: 5 of 5 (1)
The North Face Palisade
discontinued
 
user rating: 5 of 5 (1)
Kelty Sawtooth 25
discontinued
 
user rating: 5 of 5 (1)
Moonstone Mountaineer 3D
discontinued
user rating: 5 of 5 (1)
Wenger Santa Rosa
discontinued
user rating: 5 of 5 (1)
The North Face Casaval XL
discontinued
user rating: 5 of 5 (1)
Marmot EcoPro 15
discontinued
 
user rating: 5 of 5 (1)
REI Zenith 0
discontinued
 
user rating: 5 of 5 (1)
Kelty Cayenne 5
discontinued
 
user rating: 5 of 5 (1)
MontBell Main Heat
discontinued
 
user rating: 5 of 5 (1)
VauDe Bear Creek
discontinued
 
user rating: 5 of 5 (1)
Lafuma GR 1400 Air STM
discontinued
 
user rating: 5 of 5 (1)
L.L.Bean Lite Loft 0°
discontinued
 
user rating: 5 of 5 (1)
ALPS Mountaineering Monarch Pass 20
discontinued
 
user rating: 5 of 5 (1)
Integral Designs Renaissance
discontinued
 
user rating: 5 of 5 (1)
Coleman Northbound 25
discontinued
user rating: 5 of 5 (1)
ALPS Mountaineering Alpine Lake 20
discontinued
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