3-Season Synthetic Sleeping Bags

Brands

Mountain Hardwear
Eureka!
REI
Sierra Designs
Wiggy's
Texsport
ALPS Mountaineering
Vango
Nunatak Gear
Downright

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

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

ALPS Mountaineering Crescent Lake 20

rated 4 of 5 stars The ALPS Mountaineering Crescent Lake +20F sleeping bag is warm and comfortable, relatively roomy, and retains its loft very well. It's one of the few sleeping bags I've ever used with an accurate temperature rating. I picked up this sleeping bag in late spring, but it was too warm to use until just about a month ago. In that time I've used it maybe 15 nights, in temps ranging from around 40°F to 16-18°F, and am pretty impressed with it. I like it enough that I bought an ALPS Mountaineering Echo… Full review

Kelty Men's Mistral 20

rated 4.5 of 5 stars A great bag, at a great price. Very warm. I bought this bag from Sierra Trading with the deal flyer discount, and it came in under $100. A very nice bag. I pack it in a large Alps Mountaineering compression bag. One of two long 20 degree bags I own. The other is the Marmot Sorcerer. This is the nicer bag. Full review

Moonstone Optima

rated 5 of 5 stars I stumbled onto the Moonstone brand at a "high-end" outfitter in 1990 in Boston, Mass. I have the Optima Long and Maxima Long bags, with snap-in liner. The latter is used mostly in New England winters; the former in spring and fall cool weather. My Optima is showing its age with a couple rips on the zipper baffle this fall. Hardly a cold night in either bag. Too bad to hear, now years later, about the closure of Moonstone.  I have been convinced more than once about the value of synthetic bags… Full review

Mountain Hardwear Men's UltraLamina 15°

rated 3 of 5 stars Warm and quite confortable overall, but with some design flaws! And a zipper at risk! This bag has felt warm and comfortable, with enough room and a nice feeling in contact with body. It has stayed this way in a variety of conditions, even with light rain, and heavy condensation. (But I have not tried it yet anywhere near its low temperature range.) All of this is very important! At the same time I felt there are some important flaws: The bag has turned out to be both bigger and heavier than stated… Full review

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

Top-Rated 3-Season Synthetic Sleeping Bags

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

user rating: 5 of 5 (3)
Mountain Hardwear Flip 25°/40°
$140
user rating: 5 of 5 (2)
Eureka! Wild Basin 0
$95
user rating: 5 of 5 (2)
REI Polar Pod +25
$100
user rating: 5 of 5 (1)
Sierra Designs Rosa 20
$56
user rating: 5 of 5 (1)
Mountain Hardwear Mountain Goat 20°
$85 - $114
 
user rating: 5 of 5 (3)
Wiggy's Nautilus
 
user rating: 5 of 5 (1)
Texsport Big Bend Sleeping Bag
user rating: 5 of 5 (1)
ALPS Mountaineering Desert Pine 0
$110 MSRP
 
user rating: 5 of 5 (1)
Vango Omega 300
 
user rating: 5 of 5 (1)
Nunatak Gear Half Bag
user rating: 5 of 5 (1)
Wiggy's Hunter Super Lt
$275 MSRP
user rating: 5 of 5 (1)
ALPS Mountaineering Echo Lake 20
user rating: 5 of 5 (1)
Downright Tundra
 
user rating: 5 of 5 (1)
Woods Canada Kootenay 900
 
user rating: 5 of 5 (1)
Wynnster Elite Lite SL2L
 
user rating: 5 of 5 (1)
Nebo Sports Sequoia
user rating: 5 of 5 (1)
Sierra Designs Dragonfly 20
$100 MSRP
 
user rating: 5 of 5 (5)
EMS LT 20
discontinued
 
user rating: 5 of 5 (3)
Coleman Peak 1
discontinued
user rating: 5 of 5 (3)
MontBell Super Stretch Burrow Bag #3
discontinued
 
user rating: 5 of 5 (3)
Moonstone Optima
discontinued
 
user rating: 5 of 5 (2)
Slumberjack Himalayan +5°F
discontinued
 
user rating: 5 of 5 (2)
Kelty Lupine 3D 20
discontinued
user rating: 5 of 5 (2)
Marmot Wizard
discontinued
 
user rating: 5 of 5 (2)
Kelty Thru Hiker
discontinued
user rating: 5 of 5 (2)
Mountain Hardwear Cloudburst SL 32°
discontinued
 
user rating: 5 of 5 (2)
Moonstone Delta Cirrus
discontinued
 
user rating: 5 of 5 (2)
EMS Boreal 20 Big Bag
discontinued
 
user rating: 5 of 5 (2)
EMS 0° F mummy
discontinued
 
user rating: 5 of 5 (2)
ALPS Mountaineering Silver Springs 20
discontinued
 
user rating: 5 of 5 (1)
The North Face Palisade
discontinued
 
user rating: 5 of 5 (1)
Kelty Sawtooth 25
discontinued
 
user rating: 5 of 5 (1)
Moonstone Mountaineer 3D
discontinued
user rating: 5 of 5 (1)
Wenger Santa Rosa
discontinued
user rating: 5 of 5 (1)
The North Face Casaval XL
discontinued
user rating: 5 of 5 (1)
Marmot EcoPro 15
discontinued
user rating: 5 of 5 (1)
REI Zenith 0
discontinued
 
user rating: 5 of 5 (1)
Kelty Cayenne 5
discontinued
 
user rating: 5 of 5 (1)
MontBell Main Heat
discontinued
 
user rating: 5 of 5 (1)
VauDe Bear Creek
discontinued
user rating: 5 of 5 (1)
Lafuma GR 1400 Air STM
discontinued
 
user rating: 5 of 5 (1)
L.L.Bean Lite Loft 0°
discontinued
 
user rating: 5 of 5 (1)
ALPS Mountaineering Monarch Pass 20
discontinued
 
user rating: 5 of 5 (1)
Integral Designs Renaissance
discontinued
 
user rating: 5 of 5 (1)
Coleman Northbound 25
discontinued
user rating: 5 of 5 (1)
ALPS Mountaineering Alpine Lake 20
discontinued
user rating: 5 of 5 (1)
ALPS Mountaineering Alpine Lake 0
discontinued
user rating: 5 of 5 (1)
Jack Wolfskin Touch the Clouds
discontinued
 
user rating: 5 of 5 (1)
Coleman Ridgeline 15
discontinued
user rating: 4.5 of 5 (9)
Wiggy's Ultra Light
$200
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