3-Season Synthetic Sleeping Bags

Brands

Mountain Hardwear
ALPS Mountaineering
The North Face
Mountainsmith
Snugpak
Wilderness Experience
Big Agnes
Sierra Designs
Wenzel
NEMO

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

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

Mountainsmith Crestone 0

rated 2 of 5 stars Should not be rated 0 degree Fahrenheit. Maybe 0 degree Celsius, because it may keep you alive at that temp if you wear some warm clothes with the bag, but even at 40 degree Fahrenheit it would not keep me warm with several layers on.  Full review

Marmot Men's Trestles 15

rated 4.5 of 5 stars Great bag from a great company at an even better price. Bought one for myself last fall. I got about seven trips in it so far, all on the AT or Mountains-to-Sea Trail in East Tennessee and Western North Carolina. The coldest night so far was 25 degrees and I had no issues with getting cold. You can get bags that compress smaller and weigh less, but not for 104$. The zippers can be a pain as most previous reviewers noted, however I think I have figured this out just through trial and error. Leave… Full review

Mountain Hardwear Pinole 20°

rated 4 of 5 stars The Mountain Hardwear Pinole 20 is a fine 3-season sleeping bag. I purchased this bag after much research on 20 degree bags. Some reviews had me second guessing. I'm glad that I ended up going with this product. I backpack/car camp/canoe camp in the mountains of East Tennessee and Western North Carolina. For me it made sense to go with a synthetic due to the humidity and moisture that I experience in my area.   Ready for use in the ever humid valley of South Fork Citico. I have spent an honest… Full review

Snugpak Jungle

rated 5 of 5 stars A roomy, versatile, lightweight sleeping bag with unique features that can also be used as a hammock top quilt. I bought the Snugpak Jungle Bag to include in a lightweight hammock camping system and to also serve as a summer weight sleeping bag for use in a bivy sack or for just under the stars all by itself. Originally I had considered the classic U.S. GI issue polyester filled poncho liner or patrol bag for this purpose but new and genuine army issue gear has dramatically escalated in price… Full review

Top-Rated 3-Season Synthetic Sleeping Bags

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

user rating: 5 of 5 (1)
Mountain Hardwear UltraLamina 0° reviewed Dec 5, 2016
$220 MSRP
user rating: 4 of 5 (8)
Mountain Hardwear Pinole 20° reviewed Oct 21, 2016
$100 MSRP
user rating: 3 of 5 (1)
ALPS Mountaineering Crescent Lake 0 reviewed Sep 29, 2016
$63
user rating: 3 of 5 (5)
The North Face Squall reviewed Sep 29, 2016
discontinued
user rating: 2 of 5 (1)
Mountainsmith Crestone 0 reviewed Sep 24, 2016
$98
user rating: 5 of 5 (2)
Snugpak Jungle reviewed Sep 17, 2016
$71
user rating: 2 of 5 (1)
Mountain Hardwear Lamina Z Flame 22° reviewed Aug 22, 2016
$179 - $199
user rating: 4.5 of 5 (7)
The North Face Thunderhead 3D reviewed Aug 8, 2016
discontinued
 
user rating: 4 of 5 (2)
Wilderness Experience Latok reviewed Jul 30, 2016
discontinued
user rating: 5 of 5 (1)
Mountain Hardwear HyperLamina Flame 20 reviewed Jul 12, 2016
$240 - $255
user rating: 4.5 of 5 (1)
Big Agnes Buell 30 reviewed Jul 5, 2016
$110
user rating: 4 of 5 (10)
Sierra Designs Wild Bill 20 reviewed Jun 18, 2016
$120 MSRP
user rating: 4 of 5 (1)
Wenzel Reverie Mummy 30 reviewed Jun 11, 2016
$55 MSRP
user rating: 5 of 5 (1)
NEMO Mezzo Loft reviewed Jun 10, 2016
$230
user rating: 5 of 5 (1)
Slumberjack Timberjack 0 reviewed Jun 9, 2016
$85 MSRP
user rating: 4 of 5 (15)
Big Agnes Encampment 15° reviewed Jun 3, 2016
$144 - $189
user rating: 4.5 of 5 (2)
NEMO Mezzo Loft Luxury reviewed Jun 2, 2016
$250
user rating: 4 of 5 (4)
Marmot Trestles 0 reviewed Jun 1, 2016
$111 - $149
 
user rating: 4 of 5 (3)
Eurohike Backpacker Micro II reviewed Apr 14, 2016
user rating: 4.5 of 5 (6)
The North Face Goliath 3D reviewed Apr 4, 2016
discontinued
user rating: 4.5 of 5 (6)
ALPS Mountaineering Crescent Lake 20 reviewed Jan 6, 2016
$45
user rating: 4 of 5 (13)
Wiggy's Super Light reviewed Oct 30, 2015
$218 MSRP
user rating: 3.5 of 5 (68)
The North Face Cat's Meow reviewed Oct 4, 2015
$138 - $199
user rating: 4 of 5 (2)
Teton Sports Tracker +5°F reviewed Sep 10, 2015
user rating: 3.5 of 5 (4)
Big Agnes Hog Park 20° reviewed Sep 10, 2015
$170 - $349
user rating: 4.5 of 5 (2)
Kelty Tuck 20 / EN 22 reviewed Aug 26, 2015
$67
user rating: 4.5 of 5 (9)
The North Face Elkhorn reviewed Jul 7, 2015
discontinued
user rating: 2.5 of 5 (1)
Therm-a-Rest Saros reviewed Jun 27, 2015
$140 - $189
user rating: 4 of 5 (1)
Mountain Hardwear Laminina Z Flame reviewed Jun 26, 2015
$179 - $199
 
user rating: 4.5 of 5 (4)
Moonstone Optima reviewed May 24, 2015
discontinued
 
user rating: 4 of 5 (2)
REI Nooksack UL +10 reviewed Apr 13, 2015
discontinued
 
user rating: 2 of 5 (1)
REI Shasta +15 reviewed Apr 11, 2015
discontinued
user rating: 4 of 5 (8)
Mountain Hardwear Lamina 20° reviewed Apr 11, 2015
$145 - $153
user rating: 2.5 of 5 (2)
Alpine Design 20 Degree Sleeping Bag reviewed Mar 26, 2015
user rating: 3 of 5 (2)
Wiggy's Sleeping Bag reviewed Feb 6, 2015
user rating: 5 of 5 (1)
Wiggy's Hunter Super Lt reviewed Jan 13, 2015
$275 MSRP
user rating: 4.5 of 5 (2)
ALPS Mountaineering Desert Pine 20 reviewed Jan 12, 2015
$65
user rating: 4 of 5 (24)
Marmot Trestles 15 reviewed Sep 20, 2016
$87 - $119
user rating: 4 of 5 (2)
Slumberjack Esplanade +20ºF reviewed Oct 2, 2014
$80 MSRP
user rating: 4.5 of 5 (1)
Marmot Cloudbreak 20 reviewed Sep 24, 2014
$199 - $209
user rating: 1.5 of 5 (1)
Therm-a-Rest Capella 20 reviewed Jul 3, 2014
$157 - $199
 
user rating: 4 of 5 (2)
Cascade Designs Therm-A-Nest reviewed Jun 18, 2014
 
user rating: 4.5 of 5 (6)
Mountain Hardwear Crazy Legs 20° reviewed May 23, 2014
discontinued
user rating: 4.5 of 5 (1)
Eureka! Kaycee 0ºF reviewed Mar 26, 2014
$160 MSRP
user rating: 3.5 of 5 (6)
REI Zephyr +15 reviewed Mar 24, 2014
discontinued
 
user rating: 3.5 of 5 (5)
Ledge Featherlite +20 reviewed Mar 12, 2014
user rating: 4.5 of 5 (9)
Wiggy's Ultra Light reviewed Feb 22, 2014
 
user rating: 3 of 5 (6)
Storm Shield X-1100 reviewed Jan 20, 2014
discontinued
user rating: 5 of 5 (1)
Jack Wolfskin Touch the Clouds reviewed Jan 9, 2014
discontinued
user rating: 2 of 5 (1)
Musuc Selk'Bag 4G Patagon reviewed Nov 10, 2013
$150
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