3-Season Synthetic Sleeping Bags


Alpine Design
ALPS Mountaineering
Big Agnes
Black Pine Sports
Cascade 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

Wilderness Experience Latok

rated 5 of 5 stars The Latok was the first non-quilted Gore-Tex sleeping bag ever made. I designed it for Jim Donini's expedition to Latok 1 in Pakistan in the late 70's. WE didn't make very many so enjoy your Latok as much as I have, cheers Greg Thomsen co-Founder Wilderness Experience. The Latok is a very warm sleeping  bag because the outer shell is a non-quilted layer of Gore-Tex fabric. So no heat loss through the quilt lines. There is also a layer of aluminized foil sandwitched between the Polarguard insulation… Full review

Mountain Hardwear HyperLamina Flame

rated 5 of 5 stars Very good. Warmth: Very good  Fit and comfort: I will grow into my bag. I'm a teen. Comfort is very good. Full review

Big Agnes Buell 30

rated 4.5 of 5 stars Comfortable bag that packs down to a small size. I bought this bag with pack-ability in mind. I wanted to put it inside my backpack along with everything else. My old bag is so much bigger, in fact it just barely fits inside the pack by itself. I purchased a Granite Gear compression/dry sack (18L) along with this sleeping bag to get the smallest pack size possible. Now I can put my sleeping bag, tent, stove, hatchet, buck knife, fire starters, and more in the main compartment of the backpack. I… Full review

Sierra Designs Wild Bill 20

rated 4 of 5 stars No complaints. It's been a good bag for temperate climate weather. I've been using this for nearly 9 years, but only a handful of times. Still looks new and works exactly as I expected. I haven't exactly pushed its limits as I'm a fair-weather backpacker whenever possible.  Full review

Wenzel Reverie Mummy 30

rated 4 of 5 stars This bag is used only by my dogs. I bought it for them. They have never shared it. So this review is a bit skewed since I bought this bag strictly for my dogs.  My Dalmatian, Ferrari, was getting very cold at night while camping in October and November for 4-day trips in 2015 (it got down to the high 20's or low 30's at night but was supposed to be in the 40's) and I was snug in my sleeping bag and I felt horrible.  I piled every fleece, every spare jacket, towel, anything to keep her warm the… Full review

NEMO Mezzo Loft

rated 5 of 5 stars FINALLY, after 40 odd years I can sleep ON the pad instead of climbing back on repeatedly through the night. I'm a "mobile" sleeper and always have an issue with staying on my pads. I've tried everything, including some kind of tacky spray to keep my bags from slipping off the pads years ago. I've packed heavier pads just to get that pad wide enough to fall off of a little less. I looked at Big Agnes bags, but never saw one that I felt would be an upgrade from my old North Face down bag. So, I wiggle… Full review

Slumberjack Timberjack 0

rated 5 of 5 stars Big, wide, roomy yet retains heat very well. Very warm and toasty. Did I mention big? I ordered this and went camping with my two dogs. I have been camping before and so has my one dog. But not for a few years. I ordered in a number of things for camping after quite a bit of burrowing through research, comments, reviews, recommendations and personal comments before deciding I wanted to go with a rectangular bag because of the way I sleep and knowing I would use it for primitive car camping (with… Full review

Big Agnes Encampment 15°

rated 3.5 of 5 stars Roomy and comfortable, as long as it's not too cold. Big, comfortable, heavy. They advertise it as a 15° bag, but honestly, I don't know how they get that. Even with the BA inflatable pad, it's only a 35° bag in my experience. Maybe they sleep in long johns. Having said that, it's so comfy I still haul it around, but I'd advise a bag liner for anything under 35°. Nice that it's available in tall. A previous reviewer mentioned mummies as confining, and I agree. It all comes down (for me) to being… Full review

Mountain Hardwear Men's Lamina 32°

rated 4 of 5 stars A warm, compact, and lightweight 2- to 3-season sleeping bag at a reasonable price. I have owned the old model and the new model of the this sleeping bag. The new model is a vast improvement over the old model. I've used this bag for desert camping in West Texas, mountain camping in Patagonia, and everything in between. Warmth: This bag is warm for temperatures 35°F and above inside of a properly protected ventilated tent. At temperatures below 35°F it starts to feel a bit cool. The bag has excellent… Full review

Top-Rated 3-Season Synthetic Sleeping Bags

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user rating: 4 of 5 (4)
Ajungilak Kompakt
Alite Sexy Hotness 2.0
user rating: 2.5 of 5 (2)
Alpine Design 20 Degree Sleeping Bag
user rating: 5 of 5 (1)
ALPS Mountaineering Alpine Lake 0
user rating: 5 of 5 (1)
ALPS Mountaineering Alpine Lake 20
user rating: 4 of 5 (1)
ALPS Mountaineering Blue Mountain 20
user rating: 3 of 5 (1)
ALPS Mountaineering Blue Springs 20
user rating: 1 of 5 (1)
ALPS Mountaineering Clearwater 20
$100 MSRP
ALPS Mountaineering Crater Lake 0
ALPS Mountaineering Crater Lake 20
ALPS Mountaineering Crescent Lake 0
user rating: 4.5 of 5 (6)
ALPS Mountaineering Crescent Lake 20
user rating: 5 of 5 (1)
ALPS Mountaineering Desert Pine 0
user rating: 4.5 of 5 (2)
ALPS Mountaineering Desert Pine 20
ALPS Mountaineering Diamondback +0
ALPS Mountaineering Diamondback +15
user rating: 4.5 of 5 (1)
ALPS Mountaineering Diamondback +30
ALPS Mountaineering Double-Wide
ALPS Mountaineering Echo Lake 0
user rating: 5 of 5 (1)
ALPS Mountaineering Echo Lake 20
$60 - $69
ALPS Mountaineering Explorer 0
user rating: 5 of 5 (1)
ALPS Mountaineering Monarch Pass 20
ALPS Mountaineering Red Creek +0
ALPS Mountaineering Red Creek +15
ALPS Mountaineering Red Creek +30
$84 - $90
user rating: 5 of 5 (2)
ALPS Mountaineering Silver Springs 20
ALPS Mountaineering Twin Peak 20
Big Agnes Atlantic Point 30
Big Agnes Bald Mountain 18
$155 - $167
Big Agnes Benchmark
Big Agnes Betty SL
Big Agnes Big Creek 30°
Big Agnes Blue Lake 25
Big Agnes Brooklyn 0
$142 - $189
user rating: 4.5 of 5 (1)
Big Agnes Buell 30
$82 - $109
Big Agnes Cabin Creek 15
$202 - $269
Big Agnes Dream Island 15°
$230 - $249
Big Agnes Elsie 15
user rating: 4 of 5 (15)
Big Agnes Encampment 15°
$135 - $189
Big Agnes Farwell 0
$150 - $199
Big Agnes Gem Lake SL
Big Agnes Gunn Creek 30
$120 - $159
Big Agnes Haybro 15
user rating: 3.5 of 5 (4)
Big Agnes Hog Park 20°
$142 - $349
Big Agnes Husted 20
$90 - $119
Big Agnes Lily
Big Agnes Little Red 15°
Big Agnes Lulu 15°
$127 - $179
Big Agnes Master Key 25
Big Agnes Moon Hill 26
$130 - $189
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