3-Season Synthetic Sleeping Bags

Brands

Ajungilak
Alite
Alpine Design
ALPS Mountaineering
Big Agnes
Black Pine Sports
Cabela's
Campus
Cascade Designs
Chinook

Genders

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

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

Mountain Hardwear Lamina Z Flame 22°

rated 2 of 5 stars Seems very damp, clammy non breathable. Poor zipper. Thermal zoning is nonsense. Good quality construction, but uncomfortable due to above. Great construction quality, but the thermal zoning idea is the invention of a very clever monkey. It makes the bag hot in some places and cold in others, so the comfortable temperature range of this bag is limited. I have tested this bag extensively and had the same results almost every time. When I first tried it out it was like sleeping in a non-breathable… Full review

The North Face Men's Thunderhead 3D

rated 3.5 of 5 stars A nice lightweight entry level synthetic bag for 3-season camping. I bought this bag for my son and he has used it for the past 3 years. He really enjoyed it but has recently traded in for an upgraded model. I have used this bag a minimum of 5 times myself ranging from spring to fall. We compared notes and this is what we have come up with: Warmth: The bag is rated to 20°F. North Face touts, "Whether you’re camping in a goliath blizzard or huddling against cold, damp air, this awesome 20° bag… Full review

Wilderness Experience Latok

rated 5 of 5 stars The Latok was the first non-quilted Gore-Tex sleeping bag ever made. I designed it for Jim Donini's expedition to Latok 1 in Pakistan in the late '70s. WE didn't make very many, so enjoy your Latok as much as I have, cheers Greg Thomsen co-Founder Wilderness Experience. The Latok is a very warm sleeping bag because the outer shell is a non-quilted layer of Gore-Tex fabric—so no heat loss through the quilt lines. There is also a layer of aluminized foil sandwiched between the Polarguard insulation… Full review

Top-Rated 3-Season Synthetic Sleeping Bags

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

 
user rating: 4 of 5 (4)
Ajungilak Kompakt
Alite Sexy Hotness 2.0
$142
user rating: 2.5 of 5 (2)
Alpine Design 20 Degree Sleeping Bag
user rating: 5 of 5 (1)
ALPS Mountaineering Alpine Lake 0
discontinued
user rating: 5 of 5 (1)
ALPS Mountaineering Alpine Lake 20
discontinued
 
user rating: 4 of 5 (1)
ALPS Mountaineering Blue Mountain 20
discontinued
user rating: 3 of 5 (1)
ALPS Mountaineering Blue Springs 20
user rating: 1 of 5 (1)
ALPS Mountaineering Clearwater 20
$100 MSRP
ALPS Mountaineering Crater Lake 0
$70
ALPS Mountaineering Crater Lake 20
$66
user rating: 3 of 5 (1)
ALPS Mountaineering Crescent Lake 0
$63
user rating: 4.5 of 5 (6)
ALPS Mountaineering Crescent Lake 20
$63
user rating: 5 of 5 (1)
ALPS Mountaineering Desert Pine 0
$84
user rating: 4.5 of 5 (2)
ALPS Mountaineering Desert Pine 20
$65
ALPS Mountaineering Diamondback +0
ALPS Mountaineering Diamondback +15
user rating: 4.5 of 5 (1)
ALPS Mountaineering Diamondback +30
ALPS Mountaineering Double-Wide
$130
ALPS Mountaineering Echo Lake 0
$50
user rating: 5 of 5 (1)
ALPS Mountaineering Echo Lake 20
$40
 
ALPS Mountaineering Explorer 0
$105
 
user rating: 5 of 5 (1)
ALPS Mountaineering Monarch Pass 20
discontinued
 
ALPS Mountaineering Red Creek +0
$100
ALPS Mountaineering Red Creek +15
$98
ALPS Mountaineering Red Creek +30
$84
 
user rating: 5 of 5 (2)
ALPS Mountaineering Silver Springs 20
discontinued
ALPS Mountaineering Twin Peak 20
$140
Big Agnes Atlantic Point 30
$84
Big Agnes Bald Mountain 18
Big Agnes Benchmark
$139
Big Agnes Big Creek 30°
$240
Big Agnes Blue Lake 25
$110
Big Agnes Brooklyn 0
$152 - $199
user rating: 4.5 of 5 (1)
Big Agnes Buell 30
$88 - $109
Big Agnes Cabin Creek 15
$270
Big Agnes Dream Island 15°
$250
Big Agnes Elsie 15
$120 - $129
user rating: 4 of 5 (15)
Big Agnes Encampment 15°
$180 - $189
Big Agnes Farwell 0
$200
Big Agnes Gunn Creek 30
$128 - $159
Big Agnes Haybro 15
user rating: 3.5 of 5 (4)
Big Agnes Hog Park 20°
$152 - $349
Big Agnes Husted 20
$120
Big Agnes Little Red 15°
$100 MSRP
Big Agnes Lulu 15°
$136 - $179
Big Agnes Master Key 25
$140
Big Agnes Moon Hill 26
$190
Big Agnes Pristine 17
Big Agnes Shoestring SL
$176
Big Agnes Slavonia 30°
$120 - $149
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