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

Therm-a-Rest Saros

rated 2.5 of 5 stars I got this bag for an AT section hike. It was very comfortable at first and worked well with the Therm-a-Rest Prolite Plus. I did find it irritating that the bag was so warm that most nights I could not sleep in it zipped up. The zip did not go all the way down to feet. Zipper broke and that was that. Backless weight saving idea not so sure about either, made it hard to use independently without the sleeping pad. I am getting a replacement sent from the company, the Capella women's bag. We will… Full review

Mountain Hardwear Laminina Z Flame

rated 4 of 5 stars If you can afford just one bag, and need a bag that "does most" — consider the Lamina/Lamina Z Flame. While this bag is not for gram-weenies, it is a great mid-range, mid-cost bag that hits a really great sweet spot for wet and 3-season use. This bag also has among the most features, lowest cost, and warmth rating in its class. Overall Specs The unisex version of the Lamina Z Flame bag is rated down to 22 degrees Fahrenheit for the EN lower limit and 32 degrees Fahrenheit for the EN comfort… Full review

Moonstone Optima

rated 3 of 5 stars I was cold at Camp Verde, AZ, campground in February and the zipper snagged the nylon backing. Good for spring camping in dry weather at Havasupai Falls Campground with no tent. I decided to take advantage of a late winter snow fall one February and skied at the Flagstaff Sno-bowl. I drove to a Camp Verde camp ground that night and would sleep in the back of my S.U.V. I found myself so cold that I was starting the engine frequently to heat up the truck. At some point the zipper snagged the backing… Full review

Kelty Tuck 20 / EN 22

rated 4 of 5 stars Great bag at a great price. Just received it. I also own the Kelty Mistral 20 degree bag. The Tuck is 11 ounces lighter, and compresses to fit in a Kelty medium compression sack. The Mistral compresses down to fit in a large compression sack. The Tuck is listed as a 22 degree bag, not a 20. Has a zipper about six inches from the end of the bag—with the zipper open, you can have your feet out of and on top of the bag. Full review

Eureka! Women's Casper 15

rated 2 of 5 stars If you're a tallish or largish woman like me (5'8", size XL), you probably won't fit inside. I bought this for backpacking, as it is fairly small and light, but it didn't work for me. I couldn't fit in this bag. Granted, I'm 5'8", so at the upper limit of their height range, but sticking out the end wasn't the only problem. I wear a women's XL, so I'm definitely bigger, but still within straight clothing sizes...but I couldn't zip it up with my arms inside. I was cold as expected, but it was way… Full review

REI Nooksack UL +10

rated 3.5 of 5 stars For a 10°F synthetic bag, it packs down very well (8.5 x 11), it's comfortable, and zips well. From my experience it's not a 10°F bag. I was cold in this bag at 40°F with thermals on. This is one of the most inaccurate bag ratings I've tested out of dozens. If the bag read 35°F I would consider this a great bag. Everything about the bag is positive but I would feel terrible if someone actually depended on this bag in 20-30's°.  If you buy this bag as a summer bag, I think you will be very… Full review

REI Shasta +15

rated 2 of 5 stars Though the bag is made of quality materials, it does not pack down well and lets out heat around the collar. The bag is a decent car camping summer bag but does not do well in cooler weather. I tested it last night (low 36°F). Since the bag had a 15° rating, I figured comfort rating would be somewhere around 30°. I cinched the hood and collar until there was only a 4" diameter circle. There's not really a collar to cinch. The draft tube extends from the side of the bag in one continuous run that… Full review

Mountain Hardwear Men's Lamina 20°

rated 4 of 5 stars Is my go-to bag for a couple of seasons now for some good reasons... but the ZIPPER! I have a love/hate relationship with this bag. It has been my favorite synthetic bag I've owned. It presses down to 8 x 10. It's super silky comfortable. It has a great shape. The collar holds heat well. the compression sack is a really nice 3 strap/1clip design so you can unclip one strap and pull the lid back. The bag has a small pocket.  The zipper sticks HORRIBLY! Every 3-5 inches it sticks if you are trying… Full review

Alpine Design 20 Degree Sleeping Bag

rated 1.5 of 5 stars Don't buy this. The stuffing rips out easily and the zipper broke just after a few months in light use. Without the zipper the bag is useless. They need to put more money into the zipper! Don't buy. 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: 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 20
$62
ALPS Mountaineering Crescent Lake 0
$90 MSRP
user rating: 4.5 of 5 (5)
ALPS Mountaineering Crescent Lake 20
$80 MSRP
user rating: 5 of 5 (1)
ALPS Mountaineering Desert Pine 0
$110 MSRP
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
$140
ALPS Mountaineering Echo Lake 0
$63
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
ALPS Mountaineering Red Creek +0
$100
ALPS Mountaineering Red Creek +15
$140
ALPS Mountaineering Red Creek +30
$120
 
user rating: 5 of 5 (2)
ALPS Mountaineering Silver Springs 20
discontinued
 
ALPS Mountaineering Twin Peak 20
$130
Big Agnes Bald Mountain 18
$190
Big Agnes Beeler Gulch SL
Big Agnes Betty SL
Big Agnes Big Creek 30°
$240
Big Agnes Brooklyn
$190
Big Agnes Cabin Creek 15°
$270
Big Agnes Dream Island 15°
$220 - $229
user rating: 4 of 5 (14)
Big Agnes Encampment 15°
$170 - $189
Big Agnes Farwell 0°
$200 - $209
Big Agnes Gem Lake Sleeping Bag, Mummy 15°
Big Agnes Gem Shoestring SL Sleeping Bag, Mummy 15°
$143
Big Agnes Gunn Creek 30°
$155 - $159
Big Agnes Haybro
user rating: 3.5 of 5 (3)
Big Agnes Hog Park 20°
$170 - $349
Big Agnes Lily
Big Agnes Little Red 15°
$55 - $99
Big Agnes Lulu 15°
$170 - $179
Big Agnes Moon Hill 26
$170 - $189
Big Agnes Pristine 17
$210
Big Agnes Shoestring SL
Big Agnes Slavonia 30°
$150 - $159
Big Agnes Whiskey Park 0°
$180
Big Agnes Wind Lip 28
$170 - $189
Big Agnes Wolverine 15°
$110
 
user rating: 3 of 5 (1)
Black Pine Sports Graystar Mummy +20
 
user rating: 4 of 5 (1)
Campus Adventure
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