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

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 impressed. 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

Wiggy's Sleeping Bag

rated 2 of 5 stars Military style robustness, but not up to its temperature rating. I had the flexible temperature range sleeping system: i.e. two bags that are made to fit into each other (the outer bag has an additional zipper to mate with the zip of the inner bag). The idea of a sleeping system was the reason I bought the bags. The inner bag was supposed to be warm down to -15°C or so: i froze my ass of around 0°C. The combination of both is rated -40°C (=-40°F). I quit a trip in -15°C, because it wouldn't… Full review

Marmot Men's Trestles 15

rated 4 of 5 stars At entry-level price and above entry-level quality, this is an excellent 3-season bag that can withstand mild winter temps. It's just not very lightweight at 4 lbs. Conditions: I bought this bag nearly five years ago because of an increased interest I was taking in colder weather trips and my Marmot Alpine 40 Minimalist wasn’t cutting it for lower temps. However, I liked my previous Marmot bag, so I stayed with the brand (and price range) instead of going all-in on a down bag. Someday I hope… Full review

Wiggy's Hunter Super Lt

rated 5 of 5 stars Very well constructed and warm! I purchased the Hunter Super Lt with hood rectangular, the ftrss system. I highly recommend this bag. I use it for base camps. I have not used the outer bag for hiking, but might since it is light. I recommend this product for anyone who wants a quality sleeping bag made in the USA that will last a lifetime. Customer service was fantastic. The web site spells out the return policy. The invoice also spells out the return policy — no issues at all. Answered all my… Full review

ALPS Mountaineering Unisex Desert Pine 20

rated 4.5 of 5 stars A solid and affordable starter bag that performs ably. Full disclosure: I've had mine for closing on five years now. Take this review both as a testament to its performance and durability. Keep in mind that the model of bag may have changed for the better or worse since I bought mine. ALPS products are, overall, pretty solid offerings in the entry to mid-grade market. They're not as light, compact, or elegant as some of the competition with fancy brand names. They are, however, performing, durable,… 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
$66 - $69
user rating: 1 of 5 (1)
ALPS Mountaineering Clearwater 20
$100 MSRP
ALPS Mountaineering Crater Lake 20
$62
ALPS Mountaineering Crescent Lake 0
$63
user rating: 4.5 of 5 (5)
ALPS Mountaineering Crescent Lake 20
$56
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
$78
ALPS Mountaineering Diamondback +0
$100
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
user rating: 5 of 5 (1)
ALPS Mountaineering Echo Lake 20
$65
 
user rating: 5 of 5 (1)
ALPS Mountaineering Monarch Pass 20
discontinued
ALPS Mountaineering Red Creek +0
$100
 
ALPS Mountaineering Red Creek +15
$70
ALPS Mountaineering Red Creek +30
$84
 
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°
$160 - $199
Big Agnes Gem Lake Sleeping Bag, Mummy 15°
Big Agnes Gem Shoestring SL Sleeping Bag, Mummy 15°
$176
Big Agnes Gunn Creek 30°
$155 - $169
Big Agnes Haybro
$120
user rating: 3.5 of 5 (3)
Big Agnes Hog Park 20°
$150 - $349
Big Agnes Lily
Big Agnes Little Red 15°
$55 - $99
Big Agnes Lulu 15°
$144 - $179
Big Agnes Moon Hill 26
$170 - $189
Big Agnes Pristine 17
$160 - $209
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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