3-Season Synthetic Sleeping Bags

Brands

Mountain Hardwear
Big Agnes
Sierra Designs
Wenzel
NEMO
Slumberjack
Marmot
Eurohike
The North Face
ALPS Mountaineering

Genders

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

Price

less than $25
$25 - $49.99
$50 - $99.99
$100 - $199.99
$200 - $299.99
$300 - $399.99
$400 and above

Recent 3-Season Synthetic Sleeping Bag Reviews

Mountain Hardwear HyperLamina Flame

rated 5 of 5 stars Very good. Warmth: Very good  Fit and comfort: I will grow into my bag. I'm a teen. Comfort is very good. Full review

Big Agnes Buell 30

rated 4.5 of 5 stars Comfortable bag that packs down to a small size. I bought this bag with pack-ability in mind. I wanted to put it inside my backpack along with everything else. My old bag is so much bigger, in fact it just barely fits inside the pack by itself. I purchased a Granite Gear compression/dry sack (18L) along with this sleeping bag to get the smallest pack size possible. Now I can put my sleeping bag, tent, stove, hatchet, buck knife, fire starters, and more in the main compartment of the backpack. I… Full review

Sierra Designs Wild Bill 20

rated 4 of 5 stars No complaints. It's been a good bag for temperate climate weather. I've been using this for nearly 9 years, but only a handful of times. Still looks new and works exactly as I expected. I haven't exactly pushed its limits as I'm a fair-weather backpacker whenever possible.  Full review

Wenzel Reverie Mummy 30

rated 4 of 5 stars This bag is used only by my dogs. I bought it for them. They have never shared it. So this review is a bit skewed since I bought this bag strictly for my dogs.  My Dalmatian, Ferrari, was getting very cold at night while camping in October and November for 4-day trips in 2015 (it got down to the high 20's or low 30's at night but was supposed to be in the 40's) and I was snug in my sleeping bag and I felt horrible.  I piled every fleece, every spare jacket, towel, anything to keep her warm the… Full review

NEMO Mezzo Loft

rated 5 of 5 stars FINALLY, after 40 odd years I can sleep ON the pad instead of climbing back on repeatedly through the night. I'm a "mobile" sleeper and always have an issue with staying on my pads. I've tried everything, including some kind of tacky spray to keep my bags from slipping off the pads years ago. I've packed heavier pads just to get that pad wide enough to fall off of a little less. I looked at Big Agnes bags, but never saw one that I felt would be an upgrade from my old North Face down bag. So, I wiggle… Full review

Slumberjack Timberjack 0

rated 5 of 5 stars Big, wide, roomy yet retains heat very well. Very warm and toasty. Did I mention big? I ordered this and went camping with my two dogs. I have been camping before and so has my one dog. But not for a few years. I ordered in a number of things for camping after quite a bit of burrowing through research, comments, reviews, recommendations and personal comments before deciding I wanted to go with a rectangular bag because of the way I sleep and knowing I would use it for primitive car camping (with… Full review

Big Agnes Encampment 15°

rated 3.5 of 5 stars Roomy and comfortable, as long as it's not too cold. Big, comfortable, heavy. They advertise it as a 15° bag, but honestly, I don't know how they get that. Even with the BA inflatable pad, it's only a 35° bag in my experience. Maybe they sleep in long johns. Having said that, it's so comfy I still haul it around, but I'd advise a bag liner for anything under 35°. Nice that it's available in tall. A previous reviewer mentioned mummies as confining, and I agree. It all comes down (for me) to being… Full review

Mountain Hardwear Men's Lamina 32°

rated 4 of 5 stars A warm, compact, and lightweight 2- to 3-season sleeping bag at a reasonable price. I have owned the old model and the new model of the this sleeping bag. The new model is a vast improvement over the old model. I've used this bag for desert camping in West Texas, mountain camping in Patagonia, and everything in between. Warmth: This bag is warm for temperatures 35°F and above inside of a properly protected ventilated tent. At temperatures below 35°F it starts to feel a bit cool. The bag has excellent… Full review

NEMO Mezzo Loft Luxury

rated 5 of 5 stars I bought this bag because I was tired of falling off my sleeping mat in the middle of the night. This bag is fantastic because of the sleeping mat pocket. I slept all night in 30° temperatures and stayed warm and on top of my mat. This sleeping bag has a pocket for your camping mat. It is the sole reason I purchased this bag. It worked like a charm. I never was able to roll off my bags and onto the cold floor of the tent. This will enable me to camp much much longer . 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 HyperLamina Flame reviewed Jul 12, 2016
$240 - $255
user rating: 4.5 of 5 (1)
Big Agnes Buell 30 reviewed Jul 5, 2016
$82 - $109
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
$135 - $189
user rating: 4 of 5 (1)
Mountain Hardwear Lamina 32° reviewed Jun 2, 2016
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
$97 - $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 of 5 (6)
Mountain Hardwear Pinole 20° reviewed Mar 16, 2016
$100 MSRP
user rating: 4.5 of 5 (6)
ALPS Mountaineering Crescent Lake 20 reviewed Jan 6, 2016
$63
user rating: 5 of 5 (1)
Snugpak Jungle reviewed Dec 18, 2015
$71
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
$159 - $189
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
$142 - $349
user rating: 4.5 of 5 (2)
Kelty Tuck 20 / EN 22 reviewed Aug 26, 2015
$100
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 (6)
Eureka! Casper 15 reviewed Apr 16, 2015
$130 MSRP
 
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
$150 - $164
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
$78
user rating: 3.5 of 5 (7)
Kelty Mistral 20 reviewed Nov 16, 2014
$86 - $89
user rating: 4 of 5 (8)
Mountain Hardwear UltraLamina 15° reviewed Oct 31, 2014
$205 MSRP
user rating: 4 of 5 (23)
Marmot Trestles 15 reviewed Feb 2, 2016
$76 - $128
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
$149 - $198
user rating: 1.5 of 5 (1)
Therm-a-Rest Capella 20 reviewed Jul 3, 2014
$200
 
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
user rating: 4.5 of 5 (1)
REI Zephyr +20 reviewed Sep 19, 2013
user rating: 4.5 of 5 (9)
Mountain Hardwear Lamina 0° reviewed Sep 12, 2013
$185 MSRP
user rating: 3.5 of 5 (4)
The North Face Bighorn reviewed Jul 22, 2013
discontinued
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