3-Season Synthetic Sleeping Bags

Brands

Snugpak
Eureka!
ALPS Mountaineering
The North Face
NEMO
Kelty
Mountain Hardwear
REI
Marmot
Big Agnes

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

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user rating: 5 of 5 (2)
Snugpak Jungle
$71
user rating: 5 of 5 (2)
Eureka! Wild Basin 0
$50 - $84
user rating: 4.5 of 5 (6)
ALPS Mountaineering Crescent Lake 20
$45
user rating: 4.5 of 5 (3)
The North Face Dolomite
$89
user rating: 4.5 of 5 (2)
NEMO Mezzo Loft Luxury
$187 - $249
user rating: 4.5 of 5 (2)
Kelty Tuck 20 / EN 22
$67
user rating: 4.5 of 5 (2)
ALPS Mountaineering Desert Pine 20
$65
user rating: 5 of 5 (1)
NEMO Mezzo Loft
$172
user rating: 5 of 5 (1)
Mountain Hardwear HyperLamina Flame 20
$240 - $255
user rating: 5 of 5 (1)
ALPS Mountaineering Desert Pine 0
$84
user rating: 5 of 5 (1)
REI Lumen +25
$159
user rating: 5 of 5 (1)
ALPS Mountaineering Echo Lake 20
$40 - $69
user rating: 4 of 5 (24)
Marmot Trestles 15
$87 - $119
user rating: 4 of 5 (15)
Big Agnes Encampment 15°
$135 - $189
user rating: 4 of 5 (14)
The North Face Aleutian 3S Bx
$109 - $119
user rating: 4 of 5 (8)
Marmot Trestles 30
$60 - $109
user rating: 4 of 5 (8)
Mountain Hardwear Lamina 20°
$145 - $153
user rating: 4 of 5 (4)
Marmot Trestles 0
$111 - $149
user rating: 4.5 of 5 (1)
Eureka! Grasshopper 30
$35 - $39
user rating: 4.5 of 5 (1)
Marmot Cloudbreak 20
$199 - $209
user rating: 4.5 of 5 (1)
Big Agnes Buell 30
$82 - $109
user rating: 4 of 5 (1)
Mountain Hardwear Laminina Z Flame
$179 - $199
user rating: 3.5 of 5 (68)
The North Face Cat's Meow
$138 - $199
user rating: 3.5 of 5 (7)
Kelty Mistral 20
$86 - $89
user rating: 3.5 of 5 (4)
Big Agnes Hog Park 20°
$142 - $349
user rating: 3 of 5 (4)
Eureka! Cimarron 15
$61 - $74
user rating: 3 of 5 (2)
Slumberjack Latitude +20°F
$110 - $123
user rating: 3 of 5 (1)
ALPS Mountaineering Crescent Lake 0
$63
user rating: 3 of 5 (1)
ALPS Mountaineering Blue Springs 20
$65
user rating: 3 of 5 (1)
Kelty Mistral 0
$85
user rating: 2.5 of 5 (1)
Therm-a-Rest Saros
$140 - $151
user rating: 2 of 5 (1)
Mountainsmith Crestone 0
$98
user rating: 2 of 5 (1)
Mountain Hardwear Lamina Z Flame 22°
$134 - $199
user rating: 2 of 5 (1)
Musuc Selk'Bag 4G Patagon
$150
user rating: 1.5 of 5 (1)
Therm-a-Rest Capella 20
$145 - $167
user rating: 5 of 5 (1)
Mountain Hardwear Mountain Goat 20°
$99
 
EMS Solstice 20
$55 - $59
Marmot Mavericks 30 Semi Rec
$79 - $98
Mountain Hardwear Lamina Z Torch
$209 - $229
Eureka! Bero 30F
$84 - $129
REI Carina 32 Sleeping Bag
$139
Mammut Alpine UL 3-Season
$270
Marmot Cloudbreak 30
$145 - $188
Mountain Equipment Matrix III
$280
Cabela's Getaway 30F Mummy Sleeping Bag
$130
Mammut Alpine UL Winter
$350
The North Face Dolomite 20/-7
$99
Coleman Green Valley 30
$37
Cabela's Mountain Trapper 0F Sleeping Bag
$120 - $149
 
Coleman 30F Cotton/Flannel Sleeping Bag
$72
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