Sleep · Sleeping Bags
Synthetic Sleeping Bags, Lightest First
73 synthetic sleeping bags from 14 makers, sorted lightest first. The lightest is the Big Agnes Little Red 20° at 27.7 oz. Prices start at $49. Every spec here was read from the maker's own product page; this list covers the 271 sleeping bags whose spec sheets we've read so far.
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Big Agnes · Sleeping Bags
Little Red 20°
27.7 oz$100
Big Agnes · Sleeping Bags
Anthracite 30°
33.6 oz$150
Big Agnes · Sleeping Bags
Wolverine 20°
36.0 oz$130
Sea to Summit · Sleeping Bags
Hamelin Synthetic Sleeping Bag
39.6 oz$176
Big Agnes · Sleeping Bags
Women's Anthracite 30°
40.0 oz$150
Big Agnes · Sleeping Bags
Benchmark 35°
40.0 oz$110
Backcountry · Sleeping Bags
Backcountry Body Bag
40.0 oz$350
Big Agnes · Sleeping Bags
Anthracite 20° - Alpenglow
44.8 oz$160
Big Agnes · Sleeping Bags
Anthracite 20°
44.8 oz$160
Big Agnes · Sleeping Bags
Benchmark 20°
46.4 oz$130
Sea to Summit · Sleeping Bags
Boab Synthetic Sleeping Bag
49.1 oz$124
Big Agnes · Sleeping Bags
Women's Anthracite 20°
49.6 oz$160
Big Agnes · Sleeping Bags
Women's Anthracite 20° - Alpenglow
49.6 oz$160
Sea to Summit · Sleeping Bags
Hamelin Women's Synthetic Sleeping Bag
51.0 oz$176
Big Agnes · Sleeping Bags
Women's Anthracite 20°
51.2 oz$112
Kifaru International · Sleeping Bags
Slick Bag 20°
53.6 oz$519
Kifaru International · Sleeping Bags
Slick Bag 0°
53.6 oz$629
Big Agnes · Sleeping Bags
Echo Park 35°
57.1 oz$200
Big Agnes · Sleeping Bags
Benchmark 0°
73.6 oz$170
Big Agnes · Sleeping Bags
Echo Park 20°
79.4 oz$220
Rumpl · Sleeping Bags
Wrap Sack 20° Sleeping Bag - Watercolor Glow
80.1 oz$187
Rumpl · Sleeping Bags
Wrap Sack 20° Sleeping Bag - Cascade Fade
80.1 oz$187
Rumpl · Sleeping Bags
Wrap Sack 20° Sleeping Bag - Baja Fade
80.1 oz$187
Big Agnes · Sleeping Bags
Echo Park 0°
95.7 oz$250
Big Agnes · Sleeping Bags
Dream Island 20° Doublewide
109.0 oz$300
NEMO Equipment · Sleeping Bags
Tempo™ Endless Promise® Synthetic Sleeping Bag
weight unknown$150
NEMO Equipment · Sleeping Bags
Soul™ Endless Promise® Synthetic Mummy Sleeping Bag
weight unknown$250
Kelty · Sleeping Bags
Kelty Rambler 50 Sleeping Bag: 50F Synthetic
weight unknown$70
Kelty · Sleeping Bags
Kelty Mistral Sleeping Bag: 40F Synthetic
weight unknown$49
Mountain Hardwear · Sleeping Bags
Mountain Hardwear Lamina 0 Sleeping Bag: 0F Synthetic
weight unknown$270
Mountain Hardwear · Sleeping Bags
Mountain Hardwear Lamina 0F Sleeping Bag - Women's
weight unknown$280
Exped · Sleeping Bags
Exped Dreamwalker Wearable Sleeping Bag
weight unknown$160
Mountain Hardwear · Sleeping Bags
Mountain Hardwear Lamina 15F Sleeping Bag - Women's
weight unknown$260
Mountain Hardwear · Sleeping Bags
Mountain Hardwear Lamina 15F Sleeping Bag
weight unknown$250
Mountain Hardwear · Sleeping Bags
Mountain Hardwear Lamina 30F Sleeping Bag
weight unknown$230
Marmot · Sleeping Bags
Marmot Trestles Elite Eco 0 Sleeping Bag: 0F Synthetic
weight unknown$209
Kelty · Sleeping Bags
Kelty Cosmic Sleeping Bag: 20F Synthetic - Women's
weight unknown$120
Kelty · Sleeping Bags
Kelty Mistral Sleeping Bag: 40F Synthetic
weight unknown$70
Kelty · Sleeping Bags
Kelty Cosmic Sleeping Bag: 40F Synthetic
weight unknown$100
Kelty · Sleeping Bags
Kelty Mistral Sleeping Bag: 0F Synthetic
weight unknown$90
Kelty · Sleeping Bags
Kelty Cosmic Sleeping Bag: 20F Synthetic
weight unknown$110
Kelty · Sleeping Bags
Kelty Mistral Sleeping Bag: 20F Synthetic
weight unknown$80
Kelty · Sleeping Bags
Kelty Cosmic Sleeping Bag: 0F Synthetic
weight unknown$150
Kelty · Sleeping Bags
Kelty Mistral Sleeping Bag: 20F Synthetic - Women's
weight unknown$80
Exped · Sleeping Bags
Exped Deepsleep -5C/20F Sleeping Bag
weight unknown$150
ALPS Mountaineering · Sleeping Bags
ALPS Mountaineering Genesis Sleeping Bag: 0F Synthetic
weight unknown$160
Kelty · Sleeping Bags
Kelty Catena Sleeping Bag: 30F Synthetic
weight unknown$60
Rab · Sleeping Bags
Rab Radeon Sleeping Bag: 43F Synthetic
weight unknown$170
Kelty · Sleeping Bags
Kelty Space Cadet 30 Sleeping Bag: 30F Synthetic - Kids'
weight unknown$70
Marmot · Sleeping Bags
Marmot Wraptor 20 Sleeping Bag: 20F Synthetic
weight unknown$239
Kelty · Sleeping Bags
Kelty Solstice 40 Sleeping Bag: 40F Synthetic
weight unknown$90
Mountain Hardwear · Sleeping Bags
Mountain Hardwear Lamina Sleeping Bag: -20F Synthetic
weight unknown$340
The North Face · Sleeping Bags
The North Face One Bed 3-In1 Sleeping Bag: 15F Synethtic
weight unknown$340
The North Face · Sleeping Bags
The North Face Dolomite One Sleeping Bag: 15F Synthetic
weight unknown$200
Coleman · Sleeping Bags
Coleman Arch Bay 15F Sleeping Bag
weight unknown$110
Coleman · Sleeping Bags
Coleman Arch Bay 30F Sleeping Bag
weight unknown$80
Marmot · Sleeping Bags
Marmot Trestles Elite Eco 20 Sleeping Bag: 20F Synthetic
weight unknown$189
Marmot · Sleeping Bags
Marmot Trestles Elite Eco 30 Sleeping Bag: 30F Synthetic
weight unknown$169
Coleman · Sleeping Bags
Coleman Big Basin 15 Big + Tall Sleeping Bag
weight unknown$106
Mountain Hardwear · Sleeping Bags
Mountain Hardwear Alamere Sleeping Bag: 20F Synthetic - Women's
weight unknown$180
Showing the 60 lightest of 73. See all in the directory →
Down or synthetic
Down is the lightest insulation for its warmth and packs smallest, but it loses loft when soaked. Synthetic fill is heavier and bulkier for the same rating, keeps more warmth when damp, and costs less.
Building a kit?
Add any of these to your pack and track base weight, total weight, and cost as you go.