3-Season Synthetic Sleeping Bags


ALPS Mountaineering
Big Agnes
The North Face
Sierra Designs




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

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Coleman Brazos 20
user rating: 4.5 of 5 (1)
Eureka! Grasshopper 30
Eureka! Lady Bug 30
Slumberjack Big Scout 30°F
$44 - $59
user rating: 4.5 of 5 (5)
ALPS Mountaineering Crescent Lake 20
$45 - $59
Coleman Green Valley 30
$46 MSRP
user rating: 3 of 5 (2)
Slumberjack Latitude +20°F
$49 - $69
Slumberjack Girl Scout 30º
$50 MSRP
Eureka! Camellia 30F Rectangular
Eureka! Balsam 30F Rectangular
Eureka! Copper River 30
$54 - $61
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
user rating: 5 of 5 (1)
Sierra Designs Rosa 20
Kelty Woobie Sleeping Bag
$58 - $64
VauDe Sioux 800
$58 - $66
REI Kindercone +30 Sleeping Bag
Slumberjack Ultimate 30°
user rating: 3.5 of 5 (7)
Kelty Mistral 20
$60 - $99
user rating: 4 of 5 (7)
Marmot Trestles 30
$60 - $126
user rating: 3.5 of 5 (1)
Coleman Crescent 15
$60 MSRP
Eureka! Sandstone 30º
$60 MSRP
ALPS Mountaineering Crater Lake 20
user rating: 5 of 5 (2)
REI Polar Pod +25
$62 - $99
user rating: 3 of 5 (4)
Eureka! Cimarron 15
$62 - $74
Slumberjack Latitude 0°F
$65 - $69
user rating: 4.5 of 5 (2)
ALPS Mountaineering Desert Pine 20
user rating: 4 of 5 (2)
Coleman North Rim 0
$65 MSRP
user rating: 3 of 5 (1)
ALPS Mountaineering Blue Springs 20
$66 - $69
ALPS Mountaineering Crescent Lake 0
Marmot Mavericks 30 Semi Rec
$69 - $108
REI Nodder 25º
Kelty Big Dipper 30 Junior
$70 - $79
user rating: 5 of 5 (2)
Eureka! Wild Basin 0
$70 - $94
user rating: 3 of 5 (1)
Kelty Mistral 0
$99 - $109
Snugpak Jungle
Eureka! Cayuga 15
Marmot Mavericks 20 Semi Rec
$78 - $118
EMS Solstice 20
$99 - $109
Kelty Callisto 20
user rating: 4 of 5 (3)
Eureka! Silver City 30ºF
$80 - $99
Kelty Eclipse 30 Junior
user rating: 1.5 of 5 (9)
Slumberjack Ultimate 20°
user rating: 4 of 5 (14)
The North Face Aleutian 3S Bx
$80 - $119
Eureka! Cayuga 30
$80 MSRP
user rating: 4 of 5 (2)
Slumberjack Esplanade +20ºF
user rating: 4 of 5 (20)
Marmot Trestles 15
$82 - $149
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