3-Season Synthetic Sleeping Bags

Brands

Coleman
Eureka!
Slumberjack
Kelty
Big Agnes
The North Face
Sierra Designs
ALPS Mountaineering
Marmot
REI

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

Coleman Brazos 20
$30
Eureka! Lady Bug 30
$35 - $39
user rating: 4.5 of 5 (1)
Eureka! Grasshopper 30
$35 - $39
Slumberjack Star Lake 20
$45
Coleman Green Valley 30
$46 MSRP
Eureka! Camellia 30F Rectangular
$48
Eureka! Balsam 30F Rectangular
$48 - $54
Kelty Woobie Sleeping Bag
$49 - $64
Eureka! Caliber 15
$49
Eureka! Copper River 30
$49 - $55
Eureka! Sandstone 30º
$50 - $64
user rating: 3 of 5 (2)
Slumberjack Latitude +20°F
$50 - $69
Slumberjack Girl Scout 30º
$50 MSRP
Slumberjack Big Scout 30°F
$60
Kelty Little Flower 20 Junior
$55 - $74
Big Agnes Little Red 15°
$55 - $99
user rating: 4.5 of 5 (3)
The North Face Dolomite
$55 - $119
Slumberjack Go-N-Grow +30°F
$55 MSRP
Coleman Autumn Trails 20
$61
user rating: 3 of 5 (4)
Eureka! Cimarron 15
$56 - $67
user rating: 5 of 5 (1)
Sierra Designs Rosa 20
$56
user rating: 4.5 of 5 (5)
ALPS Mountaineering Crescent Lake 20
$56
Marmot Mavericks 30 Semi Rec
$59 - $109
REI Kindercone +30 Sleeping Bag
$60
REI Polar Pod +10
$60 - $68
Eureka! Cypress 15
$60
Slumberjack Ultimate 30°
$60
user rating: 3.5 of 5 (7)
Kelty Mistral 20
$60 - $99
user rating: 3.5 of 5 (1)
Coleman Crescent 15
$60 MSRP
ALPS Mountaineering Crater Lake 20
$62
ALPS Mountaineering Crescent Lake 0
$63
user rating: 5 of 5 (1)
ALPS Mountaineering Echo Lake 20
$65
Kelty Discovery 30
$65
user rating: 4 of 5 (2)
Coleman North Rim 0
$65 MSRP
Marmot Mavericks 20 Semi Rec
$65 - $95
user rating: 3 of 5 (1)
ALPS Mountaineering Blue Springs 20
$66 - $69
VauDe Sioux 800
$67
Eureka! Cayuga 30
$69
REI Nodder 25º
$80
 
ALPS Mountaineering Red Creek +15
$70
Slumberjack Latitude 0°F
$70
Kelty Big Dipper 30 Junior
$70 - $79
user rating: 3 of 5 (1)
Kelty Mistral 0
$89 - $99
user rating: 5 of 5 (2)
Eureka! Wild Basin 0
$71 - $94
 
Snugpak Travelpak 3
$71
Snugpak Jungle
$71
EMS Solstice 20
$71 - $87
user rating: 4 of 5 (3)
Eureka! Silver City 30ºF
$72 - $99
Kelty Callisto 20
$72 - $79
user rating: 4 of 5 (7)
Marmot Trestles 30
$78 - $126
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