3-Season Synthetic Sleeping Bags

Brands

Eureka!
Coleman
Downright
Kelty
Slumberjack
ALPS Mountaineering
REI
Big Agnes
The North Face
Snugpak

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

Marmot Women's Trestles 15

rated 4 of 5 stars Works great, stays warm, even when partially wet. Heavy and bulky for backcountry, which is enough inconvenience for the star deduction. Synthetic, it's got the pros of warmth, even when it gets moisture. And let's be honest, warmth is more important when its below freezing, and worth carrying about 3 more lbs than most down bags that keep you as warm in the same temps. But that's just it, if you can afford to carry less, then good for you—a down bag especially one of those new water resistant… Full review

Slumberjack Esplanade +20ºF

rated 4 of 5 stars The style and construction is great, however I wish it would compress more than it does. Very lightweight. The collar feature is great. I have slept in 40 degree weather in just a tee shirt and shorts and was actually too warm. Had to unzip! Great bag for camping trips, but not suitable for fitting in to a backpack for more than three-night hiking trips. Full review

Marmot Cloudbreak 20

rated 4.5 of 5 stars I would recommend this bag for friends. Good bag that stays nice and warm. Stays warm all night and has a good drawstring. Perfect length for me 6'. Stays pretty dry in the stuff sack.& I use it in a tent so I'm not sure how well it would do for dew. Stuff sack is nice and tuff and it stuffs to a pretty compact size. This pack seems very well made. Marmot did a great job. I would get this pack again if I had a choice. Full review

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

Top-Rated 3-Season Synthetic Sleeping Bags

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

Eureka! Grasshopper 30
user rating: 4.5 of 5 (1)
Eureka!
Grasshopper 30
$34
Eureka! Lady Bug 30
Eureka!
Lady Bug 30
$35
Coleman Green Valley 30
Coleman
Green Valley 30
$37
Downright Tundra
user rating: 5 of 5 (1)
Downright
Tundra
$39
Coleman Brazos 20
Coleman
Brazos 20
$40 MSRP
Kelty Woobie Sleeping Bag
Kelty
Woobie Sleeping Bag
$42 - $64
 
Coleman
Richland Creek 30
$45 MSRP
Slumberjack Go-N-Grow +30°F
Slumberjack
Go-N-Grow +30°F
$47
Slumberjack Forest 20
Slumberjack
Forest 20
$49
Slumberjack Jenny 20
Slumberjack
Jenny 20
$49
Slumberjack Girl Scout 30º
Slumberjack
Girl Scout 30º
$49
Slumberjack Big Scout 30°F
Slumberjack
Big Scout 30°F
$49 - $59
Slumberjack Latitude +20°F
user rating: 3 of 5 (2)
Slumberjack
Latitude +20°F
$49 - $74
Eureka! Caliber 15
Eureka!
Caliber 15
$50
Eureka! Azalea 15F Mummy
Eureka!
Azalea 15F Mummy
$50
ALPS Mountaineering Echo Lake 20
user rating: 5 of 5 (1)
ALPS Mountaineering
Echo Lake 20
$50 - $69
 
Coleman
Lassen
$50 MSRP
REI Polar Pod +25
user rating: 5 of 5 (2)
REI
Polar Pod +25
$51 - $100
Eureka! Sandstone 30º
Eureka!
Sandstone 30º
$52
Kelty Little Flower 20 Junior
Kelty
Little Flower 20 Junior
$55 - $74
Big Agnes Little Red 15°
Big Agnes
Little Red 15°
$55 - $99
Coleman Taos 25
Coleman
Taos 25
$55 MSRP
Coleman Autumn Trails 20
Coleman
Autumn Trails 20
$61
ALPS Mountaineering Crescent Lake 20
user rating: 5 of 5 (4)
ALPS Mountaineering
Crescent Lake 20
$56
Slumberjack Timber Jill 20
Slumberjack
Timber Jill 20
$57
Slumberjack Latitude 0°F
Slumberjack
Latitude 0°F
$57 - $69
Eureka! Cayuga 30
Eureka!
Cayuga 30
$57
Slumberjack Forest 0
Slumberjack
Forest 0
$58
ALPS Mountaineering Echo Lake 0
ALPS Mountaineering
Echo Lake 0
$58 - $64
Eureka! Copper River 30
Eureka!
Copper River 30
$58
REI Kindercone +30 Sleeping Bag
REI
Kindercone +30 Sleeping Bag
$60
REI Polar Pod +10
REI
Polar Pod +10
$60 - $120
Slumberjack Ultimate 30°
Slumberjack
Ultimate 30°
$60
Eureka! Cayuga 15
Eureka!
Cayuga 15
$60
Kelty Mistral 20
user rating: 3.5 of 5 (6)
Kelty
Mistral 20
$60 - $99
The North Face Dolomite
user rating: 4.5 of 5 (3)
The North Face
Dolomite
$60 - $119
Coleman Crescent 15
user rating: 3.5 of 5 (1)
Coleman
Crescent 15
$60 MSRP
 
Coleman
Crescent
$60 MSRP
 
Snugpak
Sleeper Lite
$62
Marmot Trestles 30
user rating: 4 of 5 (7)
Marmot
Trestles 30
$63 - $109
Kelty Big Dipper 30 Junior
Kelty
Big Dipper 30 Junior
$64 - $79
ALPS Mountaineering Blue Springs 20
user rating: 3 of 5 (1)
ALPS Mountaineering
Blue Springs 20
$65 - $69
Coleman North Rim 0
user rating: 4 of 5 (2)
Coleman
North Rim 0
$65 MSRP
 
Coleman
Sabine 20
$65 MSRP
Eureka! Cimarron 15
user rating: 3 of 5 (4)
Eureka!
Cimarron 15
$67
REI Nodder 25º
REI
Nodder 25º
$80
Slumberjack Star Lake 20
Slumberjack
Star Lake 20
$70
Kelty Mistral 0
user rating: 3 of 5 (1)
Kelty
Mistral 0
$88 - $99
The North Face Aleutian 20/-7
The North Face
Aleutian 20/-7
$70 - $129
ALPS Mountaineering Crescent Lake 0
ALPS Mountaineering
Crescent Lake 0
$70
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