Lifestyle

Types of Sleeping Bags

Mummy, rectangular, quilt, double or expedition - which sleeping bag design wins the cold nights?

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Updated:4/9/2026

#lifestyle #camping #outdoors #gear #backpacking

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Type↕	Shape↕	Temp Rating (F)↕	Weight (kg)↕	Best Use↕	Known For↕
Mummy Bag	Tapered	0 to 40	1	Backpacking, winter	Maximum warmth-to-weight, hood cinch, tight fit, REI Magma staple
Rectangular Bag	Rectangular	30 to 60	2	Car camping	Roomy, can unzip like a blanket, Coleman classic, kid-friendly
Semi-Rectangular	Barrel	20 to 50	1.5	3-season camping	Compromise shape, more room than mummy, warmer than rectangle
Backpacking Quilt	Blanket with foot box	20 to 50	0.6	Thru-hiking	Enlightened Equipment, no back insulation waste, ultralight favorite
Double Sleeping Bag	Wide rectangular	30 to 50	3	Couples camping	Two-person cuddle bag, honeymoon camping, queen-size warmth
Summer Bag	Varies	50 to 70	0.5	Warm weather	Lightweight, breathable, rolls to fist size, desert nights
Expedition Bag	Mummy	-40 to -10	2.5	Himalaya, Antarctica	Everest and polar expeditions, Mountain Hardwear Ghost Whisperer, baffled down
Kids Sleeping Bag	Rectangular	30 to 50	1.2	Family camping	Fun prints, shorter length, sleepover favorite, Frozen and dinosaur graphics
Military Modular Bag	Mummy	-30 to 50	4	Military, bushcraft	US Army MSS, patrol and intermediate layer combo, bivy cover included
Wearable Bag	Sleeping bag with arm and leg holes	40 to 60	1.5	Festivals, lounging	Selk'bag, human burrito, can walk around campsite
Elephant Foot Bag	Half bag	20 to 40	0.4	Alpine climbing	Waist-down bag, worn with puffy jacket, ultralight alpinism classic
Down Sleeping Bag	Any	-20 to 50	1	Dry cold conditions	Goose down fill, best warmth-to-weight, useless when wet, expensive
Synthetic Bag	Any	10 to 50	1.5	Wet conditions	Primaloft, insulates when wet, cheaper, heavier than down
Bivy Sack	Body-hugging	Varies	0.5	Emergency, minimalist	Goretex shell over your sleeping bag, no tent needed, alpine bivvy
Wearable Infant Bag	Sleep sack	65 to 75	0.3	Babies	Halo SleepSack, safer than blankets for infants, TOG rated
Hammock Underquilt	Full-length quilt	20 to 50	0.7	Hammock camping	Hangs below hammock, replaces bottom insulation, hammock camper must-have