3-Season Synthetic Sleeping Bags

Brands

Ajungilak
Alpine Design
ALPS Mountaineering
Big Agnes
Black Pine Sports
Campus
Cascade Designs
Chinook
Coleman
Columbia

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

Mountain Hardwear Pinole 20°

rated 5 of 5 stars Great bag for the budget backpacker. Compresses well for a 20deg synthetic, and keeps me warm down to rated temp! My son and I needed a couple of packable, cold weather bags for backpacking with his Scout Troop.  Considering budgeting for outfitting us both with packs, bags, sleeping pads, and miscellaneous gear, we were looking at less expensive bags. Throw in that we're in the Southeast, where humidity and rain are always in the possibilities, down bags didn't make sense, either. I put some research… Full review

Therm-a-Rest Capella 20

rated 1.5 of 5 stars Bulkier than expected. Overpriced. Way overpriced. "System" of two stretch bands to secure to same brand of matched sleeping pad fails. I slid off every night, finding hip or shoulder on ground. Bag slides OFF the pad length-wise — down off the foot of the pad, too. Too hot for temps in 40-50s. Comes with a simple stuff sack, should have a compression sack. I bought one and it compressed the bag to at least 1/2 of the provided stuff sack. The bag was too bulky otherwise. Despite being made for… Full review

Mountain Hardwear Men's UltraLamina 32°

rated 4 of 5 stars Light, packable. I love this bag. I used it for a 5-night trip to Clear Creek in the Grand Canyon. The coldest night was about 38 degrees. I wore several layers most nights as the temp was low 40s high 30s, and I wasn't freezing. The thing I love most is how small and light it packs. Carrying everything around for 6 days, it's the weight and room it takes in my pack that matters, and this bag is excellent in both regards. I guess it could be warmer near the temp rating, but having researched bag… Full review

Cascade Designs Therm-A-Nest

rated 5 of 5 stars This tragically discontinued "kid'tainer" is one of the most ingenious sleep systems ever invented for lightweight tent camping. Manufactured in 1993, this 1 lb. 9 oz. sleep system by the makers of Therm-a-Rest is a great option for parents who want to backpack with their little ones. The upper portion is basically a sleeping bag. The sheet-like lower portion forms a pocket for your 3/4 Therm-a-Rest mattress (not included). It is 34"x60" which fits a child up to 54" (about 10 yrs. old, 70 lbs.). Full review

Teton Sports Tracker +5°F

rated 4 of 5 stars Great cold weather sleeping bag. Nice compress-ability and the stuff sack is good. I purchased this sleeping bag to replace an older 0 degree synthetic from Eureka. This bag has a similar rating at +5 but compresses way smaller than the Eureka bag. The material of the outer shell is a nice durable ripstop nylon. The inner lining is different, it has a nice texture to it and isn't like most bags with the shiny nylon feel. There are zipper pullers inside and out to make the closing easier but the… Full review

Mountain Hardwear Crazy Legs 20°

rated 4.5 of 5 stars Mountain Hardwear eggplant Crazy Legs 20 degree left hand zipper mummy bag. I've had my eggplant left-hand MH 20 degree bag for about 15 years and though I've had to wash her like seven times (old roommate's cat puddled on it) she still keeps me warm in the PNW nights and compresses down and is super lightweight. Full review

The North Face Men's Cat's Meow

rated 2 of 5 stars This is a very popular yet overpriced and underperforming sleeping bag best used during warm weather. The foot box is very small, while the torso area is extra roomy. The small zippered breast pocket is very useful for keeping earplugs or hearing aids, until the material gives out after a few months of use. The small flap of material that covers the soft nylon zipper is at the worst length possible, guaranteeing that the zipper will snag on almost every use. I am not a North Face fan after using… Full review

Marmot Men's Trestles 15

rated 4 of 5 stars This synthetic bag will take you where you need to go, on a budget and in style. Its rating runs true (depending on how warm of a sleeper you are, of course), and will stave off the cold even in shoulder seasons. It is a must-have sleeping bag for those new weekend warriors and those on a budget. I've had this bag for a year now and am very pleased with how it has taken care of me. It is a great bag for those needing warmth but not ready to make the plunge into pricey down bags. I've used it in… Full review

Eureka! Kaycee 0ºF

rated 4.5 of 5 stars Nobody likes to be cold when they're camping. Having a good sleeping bag to keep you warm all night is even more important when you are winter camping. I recently tried out the Eureka! KAYCEE Zero Degree sleeping bag on a winter trek in Ontario and stayed warm all night long. The Eureka! KAYCEE sleeping bag is a performance mummy sleeping bag rated to a low of zero degrees fahrenheit  or minus 18 degrees celcius. On a recent winter outing I used this sleeping bag one night when the temperature… 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
 
user rating: 3.5 of 5 (1)
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
ALPS Mountaineering Blue Mountain 20
user rating: 4 of 5 (1)
ALPS Mountaineering
Blue Mountain 20
discontinued
ALPS Mountaineering Blue Springs 20
user rating: 3 of 5 (1)
ALPS Mountaineering
Blue Springs 20
$66 - $69
ALPS Mountaineering Clearwater 20
user rating: 1 of 5 (1)
ALPS Mountaineering
Clearwater 20
$100 MSRP
ALPS Mountaineering Crater Lake 0
ALPS Mountaineering
Crater Lake 0
$95 MSRP
ALPS Mountaineering Crater Lake 20
ALPS Mountaineering
Crater Lake 20
$66
ALPS Mountaineering Crescent Lake 0
ALPS Mountaineering
Crescent Lake 0
$90 MSRP
ALPS Mountaineering Crescent Lake 20
user rating: 5 of 5 (4)
ALPS Mountaineering
Crescent Lake 20
$60
ALPS Mountaineering Desert Pine 0
user rating: 5 of 5 (1)
ALPS Mountaineering
Desert Pine 0
$110 MSRP
ALPS Mountaineering Desert Pine 20
user rating: 4.5 of 5 (1)
ALPS Mountaineering
Desert Pine 20
$84
ALPS Mountaineering Diamondback +0
ALPS Mountaineering
Diamondback +0
ALPS Mountaineering Diamondback +15
ALPS Mountaineering
Diamondback +15
ALPS Mountaineering Diamondback +30
user rating: 4.5 of 5 (1)
ALPS Mountaineering
Diamondback +30
ALPS Mountaineering Double-Wide
ALPS Mountaineering
Double-Wide
$190 MSRP
ALPS Mountaineering Echo Lake 0
ALPS Mountaineering
Echo Lake 0
$58 - $64
ALPS Mountaineering Echo Lake 20
user rating: 5 of 5 (1)
ALPS Mountaineering
Echo Lake 20
$50 - $69
 
user rating: 5 of 5 (1)
ALPS Mountaineering
Monarch Pass 20
discontinued
 
user rating: 5 of 5 (2)
ALPS Mountaineering
Silver Springs 20
discontinued
 
ALPS Mountaineering
Twin Peak 20
Big Agnes Bald Mountain 18
Big Agnes
Bald Mountain 18
$155 - $189
Big Agnes Beeler Gulch SL
Big Agnes
Beeler Gulch SL
$175 - $179
Big Agnes Betty SL
Big Agnes
Betty SL
$80 - $129
Big Agnes Big Creek 30°
Big Agnes
Big Creek 30°
$180 - $239
Big Agnes Brooklyn
Big Agnes
Brooklyn
$142 - $189
Big Agnes Cabin Creek 15°
Big Agnes
Cabin Creek 15°
$202 - $269
Big Agnes Dream Island 15°
Big Agnes
Dream Island 15°
$220
Big Agnes Encampment 15°
user rating: 4 of 5 (14)
Big Agnes
Encampment 15°
$135 - $189
Big Agnes Farwell 0°
Big Agnes
Farwell 0°
$150 - $209
Big Agnes Gem Lake Sleeping Bag, Mummy 15°
Big Agnes
Gem Lake Sleeping Bag, Mummy 15°
$160 - $167
Big Agnes Gem Shoestring SL Sleeping Bag, Mummy 15°
Big Agnes
Gem Shoestring SL Sleeping Bag, Mummy 15°
$110 - $142
Big Agnes Gunn Creek 30°
Big Agnes
Gunn Creek 30°
$128 - $159
Big Agnes Haybro
Big Agnes
Haybro
$71 - $119
Big Agnes Hog Park 20°
user rating: 3.5 of 5 (3)
Big Agnes
Hog Park 20°
$136 - $339
Big Agnes Lily
Big Agnes
Lily
$71
Big Agnes Little Red 15°
Big Agnes
Little Red 15°
$55 - $99
Big Agnes Lulu 15°
Big Agnes
Lulu 15°
$136 - $189
Big Agnes Moon Hill 26
Big Agnes
Moon Hill 26
$127 - $169
Big Agnes Pristine 17
Big Agnes
Pristine 17
$157 - $229
 
Big Agnes
Shoestring SL
$146
Big Agnes Slavonia 30°
Big Agnes
Slavonia 30°
$82 - $159
Big Agnes Whiskey Park 0°
Big Agnes
Whiskey Park 0°
$144 - $179
Big Agnes Wind Lip 28
Big Agnes
Wind Lip 28
$127 - $189
Big Agnes Wolverine 15°
Big Agnes
Wolverine 15°
$82 - $109
 
user rating: 3 of 5 (1)
Black Pine Sports
Graystar Mummy +20
 
user rating: 4 of 5 (1)
Campus
Adventure
 
user rating: 4 of 5 (2)
Cascade Designs
Therm-A-Nest
Chinook Sportster Hooded Tapered 23F
user rating: 3.5 of 5 (1)
Chinook
Sportster Hooded Tapered 23F
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