15 Best Sleeping Bags for Backpacking, Compared

Compare 15 backpacking sleeping bags by published specs. Find the best weight, warmth, and size for your next trip.

By GearRank Editorial Team October 27, 2026 6 min read

15 Best Sleeping Bags for Backpacking, Compared

Warning: Undefined array key "caption" in /www/wwwroot/gearrank.net/wp-content/themes/site-ratings/single.php on line 62
15 Best Sleeping Bags for Backpacking, Compared

This listing has no buyer rating yet.

Section: Sleeping Bags

Check price on Amazon We may earn a commission if you buy through this link.

As Amazon Associates, we earn from qualifying purchases. This means we may receive a small commission at no extra cost to you if you click through and make a purchase.

As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.

Finding the best sleeping bags for backpacking requires careful attention to weight and warmth. We compared 15 options using only the specifications published on each listing. Our top pick is the TETON Sports Tracker 5 Degree Double Mummy. It leads because its 63-inch width offers unusual space for couples or solo campers needing extra room. This guide helps you decide which bag fits your trip based on verified data.

Match Temperature Ratings to Your Season

Your primary decision hinges on the temperature rating. Options range from 0°F for mountaineering to 30°F for mild nights. Check the listed rating before buying. A 0°F bag suits cold weather, while a 30°F quilt works for summer. Ensure the spec matches your expected conditions. Do not guess. Pick the rating that covers your coldest planned nights.

#	Product	Best for
1	TETON Sports Tracker 5 Degree Double Mummy Best overall	couples or solo campers needing space
2	TETON Sports Mammoth +20F Queen Sleeping Bag Best canvas	base camp comfort and durability
3	Kelty Cosmic 20 Down Mummy Bag Best premium	women camping in mild weather
4	QEZER 600FP Down Mummy Sleeping Bag Best budget	Cold weather backpacking with dual zippers
5	Naturehike 650FP 0°F Mummy Bag Also great	Cold weather backpackers needing extra space
6	QEZER 0 Degree Down Sleeping Bag Also great	Backpackers needing 0°F down warmth
7	SYWSKW Large Down Sleeping Bag Best pillow	Backpackers wanting a built-in pillow
8	QEZER 620FP Down Sleeping Bag Also great	Cold weather backpacking with double zipper needs
9	NEMO Equipment Disco Down 15F Best 15°f	backpackers needing 15°F warmth and spoon shape comfort
10	SENSORY4U 850FP Down Quilt Best 30°f	weight-conscious backpackers in mild weather
11	Kelty Cosmic Synthetic 0°F Long Best synthetic	tall backpackers needing cold-weather warmth
12	Naturehike SP550 650FP Down Sleeping Bag Also great	Backpackers needing 18°F warmth
13	Naturehike Ultralight Down Sleeping Bag Best travel	travelers seeking mild weather comfort
14	BUERTS 680FP Ultralight Down Bag Best mountaineering	ultralight backpackers needing convertible warmth
15	Sierra Designs Cloud Zip 20F Also great	three-season backpackers needing a zippered mummy bag

The best fit for you

You need a spacious bag for two people – TETON Sports Tracker 5 Degree Double Mummy – The 63-inch width and double size accommodate two campers comfortably.
You want the lightest option for mild weather – SENSORY4U 850FP Down Quilt – This quilt weighs only 2 pounds and uses 850 fill power down.
You need a built-in pillow for comfort – SYWSKW Large Down Sleeping Bag – It includes an integrated pillow and offers a 33.5-inch shoulder width.

1Best overall

TETON Sports Tracker 5 Degree Double Mummy

Best for: couples or solo campers needing space

Intended Use: Hiking, Backpacking
Temperature Rating: 5 Degree
Insulation Type: microfiber
Shape: mummy
Capacity: Double
Weight: 8.2 pounds

Check price on Amazon

The Teton Sports Tracker is a double-width mummy sleeping bag rated for 5°F. It uses microfiber insulation to provide warmth while keeping weight manageable for backpacking. At 8.2 pounds, it offers ample space for two sleepers or one person seeking extra room. The design includes a draft tube along the zipper and a vaulted footbox to retain heat effectively.

Pros

Double capacity fits two adults comfortably
Microfiber insulation provides reliable loft
Draft tube seals the zipper area
Mummy shape minimizes dead air space

Cons

8.2 pounds weight is heavy for ultralight backpacking
Double size increases bulk compared to single bags
5°F rating limits use in extreme cold

Good fit if

You need extra room for two sleepers
You prioritize warmth over minimal weight
You camp in conditions near 5°F

Skip if

You require ultralight gear under 3 pounds
You sleep alone and want compact storage
You need ratings below 0°F

Verdict: Teton Sports Tracker Double Mummy suits couples or solo campers who value space and warmth over packability. It is a solid choice for car camping or base camps where weight is less critical.

2Best canvas

TETON Sports Mammoth +20F Queen Sleeping Bag

Best for: base camp comfort and durability

Intended Use: Hiking, Backpacking
Temperature Rating: 20°F
Insulation Type: fiber fill
Capacity: Double
Weight: 15 pounds
Lining Material: cotton flannel

Check price on Amazon

The TETON Sports Mammoth is a double sleeping bag built for base camp comfort rather than ultralight backpacking. It features a cotton flannel lining and canvas exterior for durability. The 20°F rating suits cold nights, while the 94×62 inch dimensions offer ample space. At 15 pounds, it is heavy for long treks but ideal for car camping or short hikes where weight matters less than roominess.

Pros

Double capacity measures 94×62 inches
Cotton flannel lining for soft comfort
Canvas exterior for rugged durability
20°F temperature rating for cold weather

Cons

15-pound weight is heavy for backpacking
Fiber fill insulation is bulkier than down
20°F rating is warmer than many ultralight options

Good fit if

You need a spacious double bag for two people
You prioritize comfort and durability over weight savings
You are camping at a base camp or car camping site

Skip if

You are backpacking long distances and need ultralight gear
You require a sleeping bag rated below 20°F
You prefer down insulation for better packability

Verdict: TETON Sports Mammoth Canvas Sleeping Bag is a heavy, spacious choice for campers who value roominess and rugged construction. It fits couples or solo travelers who do not mind carrying 15 pounds for the sake of comfort and durability.

3Best premium

Kelty Cosmic 20 Down Mummy Bag

Best for: women camping in mild weather

Intended Use: Backpacking
Temperature Rating: 21°
Insulation Type: down
Shape: mummy
Fill Power: 550 FP
Shell Material: recycled nylon and polyester taffeta

Check price on Amazon

The Kelty Cosmic 20 is a mummy-shaped sleeping bag designed for backpacking. It uses 550 fill power down insulation and features recycled nylon and polyester taffeta fabrics. The ISO limit rating is 21 degrees. It weighs about 2 lbs. 6 oz. in the regular size. This bag suits women who want sustainable gear with dual-direction zippers for comfort at the campsite.

Pros

550 fill power down insulation
Recycled nylon and polyester taffeta shell
Dual direction zippers for comfort
PFAS-free durable water repellent finish
Traceable RDS-certified ethically sourced down

Cons

550 fill power is lower than the 620-850 FP options on this list
21 degree ISO limit is warmer than the 0-15 degree ratings of other bags
2 lbs. 6 oz. weight is heavier than the ultralight alternatives

Good fit if

You are a woman seeking a dedicated women's cut
You prioritize recycled materials and traceable down
You camp in mild conditions above 21 degrees

Skip if

You need a bag rated for sub-zero temperatures
You want the lightest possible pack weight
You prefer high loft down over 600 fill power

Verdict: The Kelty Cosmic 20 Women's Down Bag offers a comfortable fit and sustainable materials for mild weather trips. It fits women who value ethical sourcing and dual zippers over ultralight specs or extreme cold ratings.

4Best budget

QEZER 600FP Down Mummy Sleeping Bag

Best for: Cold weather backpacking with dual zippers

Intended Use: Hiking, Backpacking
Temperature Rating: 18°F
Insulation Type: Duck down
Shape: Mummy
Weight: 3.2 lbs.
Fill Power: 600+ FP

Check price on Amazon

This QEZER sleeping bag uses 600+ fill power duck down for lightweight warmth. It weighs 3.2 lbs and compresses to 13.78 x 7.48 inches. The mummy shape features a wide trapezoidal foot box and dual zippers. Rated for 18°F, it suits backpackers needing cold-weather gear. The 400T nylon shell resists tears. You get reliable insulation in a compact package.

Pros

600+ fill power duck down insulation
3.2 lbs total weight
Dual left and right zippers
400T tear-resistant nylon shell

Cons

600 fill power is lower than the 620-680 FP options on this list
3.2 lbs weight is heavier than the ultralight sub-2 lb competitors
18°F rating is warmer than the 0°F rated bags available

Good fit if

You need a mummy bag for cold nights
You want dual zippers for versatility
You prioritize down insulation over synthetic

Skip if

You require sub-2 lb ultralight performance
You need a 0°F temperature rating
You prefer 650+ fill power down

Verdict: QEZER 0°F Down Mummy Sleeping Bag fits backpackers who value dual zippers and down warmth over minimal weight. It is a solid mid-range option for cold weather trips.

5Also great

Naturehike 650FP 0°F Mummy Bag

Best for: Cold weather backpackers needing extra space

Intended Use: Hiking, Backpacking
Temperature Rating: 18°F
Insulation Type: Duck down
Shape: Mummy / Envelope
Weight: 2.9 pounds
Fill Power: 650 FP

Check price on Amazon

This Naturehike sleeping bag combines a mummy hood with an envelope footbox for versatility. It uses 650 fill power duck down to reach an 18°F extreme rating. The large size measures 86.6 inches long and 33.5 inches wide. At 2.9 pounds, it offers substantial warmth for cold weather backpacking. The ripstop nylon shell provides durability against rugged terrain.

Pros

650 fill power duck down insulation
18°F extreme temperature rating
2.9 pound weight for large size
Mummy and envelope hybrid design
400T 20D ripstop nylon shell

Cons

2.9 pound weight exceeds ultralight standards
650 fill power is lower than 850 options
18°F rating is warmer than 0°F models

Good fit if

You need extra room in the footbox
You prioritize warmth over minimal weight
You prefer a hybrid mummy-envelope shape

Skip if

You require sub-zero extreme ratings
You need fill power above 650
You want an ultralight bag under 2 pounds

Verdict: Naturehike 0°F Down Sleeping Bag suits hikers who value spacious comfort and reliable cold-weather protection. It fits those willing to carry slightly more weight for a versatile hybrid design.

6Also great

QEZER 0 Degree Down Sleeping Bag

Best for: Backpackers needing 0°F down warmth

Intended Use: Hiking, Backpacking
Temperature Rating: -11°F
Insulation Type: white duck down
Weight: 3.5 pounds
Fill Power: 650 FP
Shell Material: 400T nylon

Check price on Amazon

This QEZER sleeping bag uses 650 fill power white duck down to provide warmth in cold conditions. It features a 0°F temperature rating and a shell made of 400T nylon. The design includes vertical baffles and a windshield zipper to reduce heat loss. It weighs 3.5 pounds and packs down to a manageable size. You will find this bag suitable for backpacking trips where you need reliable insulation without excessive bulk.

Pros

650 fill power white duck down insulation
0°F temperature rating for cold weather
400T nylon shell and lining for durability
Vertical baffles enhance warmth retention

Cons

650 fill power is lower than the 850 FP found in some competitors
3.5 pounds weight is heavier than ultralight options on the list

Good fit if

You need a sleeping bag rated for temperatures around 0°F
You prefer the warmth and compressibility of down insulation
You want a mummy-style bag with a windshield zipper design

Skip if

You require an ultralight bag under 2 pounds
You need the highest possible fill power for minimal weight
You are camping in temperatures above 30°F

Verdict: QEZER 0°F Down Sleeping Bag offers solid cold-weather performance with 650 FP down. It fits hikers who prioritize warmth and durability over the absolute lightest pack weight.

7Best pillow

SYWSKW Large Down Sleeping Bag

Best for: Backpackers wanting a built-in pillow

Intended Use: Hiking, Backpacking
Temperature Rating: 0°F
Insulation Type: Duck down
Weight: 2.6 pounds
Fill Power: 680 FP
Color: Blue

Check price on Amazon

This SYWSKW bag pairs 680 fill power duck down with an integrated detachable pillow. It weighs 2.6 pounds and measures 86.6 by 33.5 inches. The 0°F comfort rating suits cold weather backpacking. The large size offers extra shoulder room. You get a complete sleep system in a compact pack. It is designed for hikers who want built-in head support without carrying separate gear.

Pros

Integrated 80g detachable pillow for head support
680 fill power RDS certified duck down insulation
Lightweight at 2.6 pounds for backpacking
0°F comfort rating for cold weather camping

Cons

Heavier than ultralight competitors using 850 fill power
Lower 680 fill power than many 650FP or 850FP options on this list
Limited to large size with fixed 33.5 inch width

Good fit if

You want a sleeping bag with a built-in pillow
You need a 0°F rated bag for cold nights
You prefer a wider 33.5 inch shoulder design

Skip if

You prioritize the absolute lowest weight possible
You need multiple size options beyond large
You require higher fill power for better compressibility

Verdict: SYWSKW Large Down Sleeping Bag with Pillow fits backpackers who value the convenience of an integrated pillow and a wide shoulder fit. It is a solid choice for cold weather trips where extra head support matters more than minimal weight.

8Also great

QEZER 620FP Down Sleeping Bag

Best for: Cold weather backpacking with double zipper needs

Intended Use: Hiking, Backpacking
Temperature Rating: 10.5°F
Insulation Type: Down
Weight: 3.46 pounds
Fill Power: 620 FP
Color: Black

Check price on Amazon

This QEZER sleeping bag uses 620 fill power down to provide warmth in cold conditions. It weighs 3.46 pounds and features a 32.3-inch width. The graphene fabric aids in heat retention and offers water resistance. It includes a double zipper system for linking two bags. This model suits backpackers seeking a balance of warmth and manageable weight for cold weather trips.

Pros

620 fill power down insulation
3.46 pound total weight
32.3 inch width for comfort
Graphene fabric for heat retention
Double zipper system for linking bags

Cons

620 fill power is lower than the 650FP or 680FP options on this list
3.46 pound weight is heavier than the 1.9 pound ultralight quilt option
32.3 inch width is narrower than the queen size options available

Good fit if

You need a down bag rated for cold weather around 0°F to 10.5°F
You prefer a mummy bag with a double zipper for couple camping
You want a lightweight packable bag that balances warmth and weight

Skip if

You require the lightest possible gear under 2 pounds
You need the highest fill power available for maximum warmth-to-weight ratio
You prefer a wide rectangular bag for extra room

Verdict: The QEZER 620FP Down Sleeping Bag fits backpackers who prioritize cold weather insulation and double-zipper versatility over ultralight weight or maximum fill power. It is a solid mid-range option for cold-weather trips.

9Best 15°f

NEMO Equipment Disco Down 15F

Best for: backpackers needing 15°F warmth and spoon shape comfort

Intended Use: Backpacking
Temperature Rating: 15°F
Insulation Type: Down
Shape: Spoon
Fill Power: 650 FP
Target Audience: Men's, Women's

Check price on Amazon

This NEMO Equipment sleeping bag features a 15°F temperature rating and 650 FP hydrophobic down insulation. The spoon shape provides extra room at the elbows and knees, enhancing comfort during sleep. It includes Thermo Gill vents and a multistage zipper system for precise temperature control. The draft collar blocks cold air effectively. This bag is designed for backpackers who need reliable warmth in cooler conditions without sacrificing mobility.

Pros

Spoon shape adds room at elbows and knees
15°F temperature rating for cold weather
650 FP hydrophobic down insulation
Thermo Gill vents for fine-tuned control
Blanket Fold draft collar blocks cold air

Cons

650 FP fill power is lower than the 680 FP and 850 FP options on this list
15°F rating is warmer than the 0°F and 30°F ratings available in other models

Good fit if

You prefer a spoon shape for added comfort
You need a 15°F rating for cool nights
You want hydrophobic down for moisture resistance

Skip if

You need an ultralight bag under 2 lbs
You require a 0°F rating for extreme cold
You prefer synthetic insulation over down

Verdict: NEMO Equipment Disco Down 15F offers a comfortable spoon shape and reliable 15°F warmth for backpackers seeking versatility. It suits those who value draft collar design and vented temperature control in cooler conditions.

10Best 30°f

SENSORY4U 850FP Down Quilt

Best for: weight-conscious backpackers in mild weather

Intended Use: Hiking, Backpacking
Temperature Rating: 30°F
Insulation Type: Down
Shape: Top quilt
Weight: 1.9 lbs
Fill Power: 850 FP

Check price on Amazon

This SENSORY4U top quilt uses 850-fill power down to weigh just 1.9 lbs. It offers a 30°F comfort rating and a 20°F survival limit. The open design gives you more freedom of movement than a traditional mummy bag. It includes a foot box and straps to attach to your sleeping pad. This gear suits backpackers who prioritize low weight and high warmth-to-weight ratios.

Pros

850-fill power down insulation for superior warmth
Ultralight 1.9 lbs weight for easy carrying
Top quilt shape allows for freedom of movement
Includes foot box for added comfort

Cons

30°F comfort rating is warmer than many 0°F or 15°F bags on this list
1.9 lbs weight is heavier than some ultralight 650FP or 680FP options
Standard size limits use for taller individuals

Good fit if

You want to minimize pack weight on long hikes
You prefer the freedom of a quilt over a full bag
You camp in conditions near 30°F

Skip if

You need a bag rated for sub-zero temperatures
You are taller than the standard length allows
You prefer a fully enclosed mummy bag design

Verdict: The SENSORY4U 850FP Ultralight Quilt fits backpackers who value minimal weight and high-quality down insulation for mild to cool weather trips. It is a solid choice for those who want to save ounces without sacrificing too much warmth.

11Best synthetic

Kelty Cosmic Synthetic 0°F Long

Best for: tall backpackers needing cold-weather warmth

Intended Use: Backpacking
Temperature Rating: 0°F
Insulation Type: Synthetic
Weight: 5 lb. 3 oz.
Dimensions: 74 × 30 × 3 inches

Check price on Amazon

The Kelty Cosmic Synthetic 0°F Long sleeping bag uses recycled CirroLoft ECO insulation for warmth without down. It fits sleepers up to 6 ft. 6 in. and weighs 5 lb. 3 oz. The bag features a roomy footbox and dual locking sliders for ventilation. You get a compression sack included for packing. This synthetic option suits those needing reliable cold-weather performance in a durable, long-cut design.

Pros

0°F temperature rating for cold nights
Fits sleepers up to 6 ft. 6 in.
Includes compression stuff sack
Dual locking zipper sliders

Cons

Heavier at 5 lb. 3 oz. than most down bags on this list
Larger stuffed size of 11.5 x 19 in. reduces packability

Good fit if

You need a 0°F rating for winter camping
You are taller than 6 feet

Skip if

You prioritize ultralight weight under 3 lbs
You need a compact pack size for long distances

Verdict: Kelty Cosmic Synthetic 0°F Long is a durable, warm option for taller backpackers who prefer synthetic insulation. It fits those who value roominess and cold-weather reliability over minimal pack size.

12Also great

Naturehike SP550 650FP Down Sleeping Bag

Best for: Backpackers needing 18°F warmth

Intended Use: Hiking, Backpacking
Temperature Rating: 18°F
Insulation Type: Duck down
Shape: Mummy
Weight: 2.03 pounds
Fill Power: 650 FP

Check price on Amazon

This Naturehike mummy sleeping bag uses 650 fill power duck down for backpacking in cold weather. It carries an 18°F limit rating and weighs 2.03 pounds in the short size. The design includes a C-shaped wrap and a three-dimensional wind barrier to reduce cold spots. You get a YKK two-way zipper and a U-neck collar for better warmth retention. This bag suits hikers who need traceable, RDS-certified down insulation.

Pros

650 fill power duck down insulation
18°F limit temperature rating
2.03 pound weight for the short size
Three-dimensional wind barrier design
RDS and IDS certified down

Cons

18°F rating is warmer than the 0°F options on the list
2.03 pound weight is heavier than the ultralight 1.9 lb quilt
Short size is 74.8 inches long

Good fit if

You expect temperatures around 18°F to 30°F
You prefer RDS certified down
You want a wind-blocking strip

Skip if

You need a 0°F or lower rating
You require an ultralight bag under 1.9 pounds
You prefer synthetic insulation

Verdict: Naturehike 650FP Down Mummy Bag provides reliable warmth for cool nights with its 18°F limit rating and wind barrier. It fits backpackers who prioritize certified down and moderate cold protection over extreme ultralight specs.

13Best travel

Naturehike Ultralight Down Sleeping Bag

Best for: travelers seeking mild weather comfort

Intended Use: Hiking, Backpacking
Temperature Rating: 40.4°F
Insulation Type: Duck down
Shape: Envelope and mummy
Weight: 1.95 pounds
Fill Power: 650 FP

Check price on Amazon

This Naturehike sleeping bag combines an envelope lower body with a mummy upper section. It uses 650 fill power duck down insulation for warmth. The weight is 1.95 pounds, making it ultralight for backpacking. The temperature rating is 40.4°F. You get a large size measuring 86.6 by 33.5 inches. It includes a compression sack for storage.

Pros

Ultralight weight of 1.95 pounds
650 fill power duck down insulation
Unique envelope and mummy hybrid shape
Large dimensions at 86.6 inches long

Cons

40.4°F temperature rating is warmer than many competitors
650 fill power is lower than 850FP options

Good fit if

You need an ultralight bag for mild weather
You prefer extra legroom in the lower body
You want a hybrid shape for versatility

Skip if

You require sub-zero temperature ratings
You prefer the highest fill power available
You need a standard mummy shape only

Verdict: Naturehike 650FP Down Sleeping Bag offers a unique hybrid shape and ultralight weight for mild conditions. It fits travelers who value space and packability over extreme cold protection.

14Best mountaineering

BUERTS 680FP Ultralight Down Bag

Best for: ultralight backpackers needing convertible warmth

Intended Use: Hiking, Backpacking, Mountaineering
Temperature Rating: 32°F
Insulation Type: Down
Shape: Envelope
Weight: 1.85 lbs
Fill Power: 680 FP

Check price on Amazon

This envelope-style sleeping bag weighs 1.85 lbs and uses 680 fill power down. It offers a temperature rating of 32°F for cold weather use. The 400T 20D shell provides wind and water resistance. You can zip it to another bag for double use. It fits adults who prioritize lightweight gear for hiking and mountaineering.

Pros

Ultralight 1.85 lb weight
680 fill power down insulation
400T 20D windproof shell
Zip-together envelope design

Cons

32°F rating is warmer than many 0°F competitors
680 fill power is lower than 850 or 650FP options
Envelope shape is bulkier than mummy styles

Good fit if

You need a bag under 2 lbs
You want to zip two bags together
You prefer envelope shapes for movement

Skip if

You need sub-zero temperature ratings
You require the lightest possible gear
You prefer mummy bag efficiency

Verdict: BUERTS 680FP Down Sleeping Bag suits hikers who value versatility and low weight over extreme cold protection. It works well for couples or solo travelers who need a convertible bag for mild to cold conditions.

15Also great

Sierra Designs Cloud Zip 20F

Best for: three-season backpackers needing a zippered mummy bag

Intended Use: Backpacking
Temperature Rating: 17°F
Insulation Type: DriDown
Shape: mummy
Weight: 2.08 pounds
Fill Power: 800 Fill Power

Check price on Amazon

The Sierra Designs Cloud Zip is an ultralight mummy sleeping bag built for backpacking. It uses 800 fill power DriDown insulation to provide warmth while remaining compressible. The bag weighs 2.08 pounds and features a 15D nylon ripstop shell. With an ISO comfort rating of 28°F, it suits hikers seeking reliable three-season performance. The full-length zipper and foot vent allow for easy temperature control during your trips.

Pros

800 fill power DriDown insulation offers high loft and warmth
Ultralight trail weight of 2.08 pounds for pack efficiency
15D nylon ripstop shell reduces overall bag weight
Patented self-sealing foot vent for quick heat release
Anti-snag zipper and draft dodger collar improve comfort

Cons

20°F temperature rating is warmer than the 0°F options in this list
2.08 pounds is heavier than the sub-2-pound ultralight competitors
32 inches width is narrower than the queen-size alternative

Good fit if

You need an ultralight bag for three-season backpacking
You prefer a zippered mummy design for security
You want a bag with a foot vent for temp control

Skip if

You require a sleeping bag rated for below-freezing temperatures
You need a bag weighing less than 2 pounds
You prefer a quilt-style or zipperless sleep system

Verdict: Sierra Designs Cloud Zip 20F Down Bag delivers reliable warmth with its 800 fill power DriDown. It fits backpackers who prioritize a zippered mummy shape and moderate weight over extreme cold ratings.

Specifications side by side

Spec	TETON Sports Tracker 5 Degree Double Mummy	TETON Sports Mammoth +20F Queen Sleeping Bag	Kelty Cosmic 20 Down Mummy Bag	QEZER 600FP Down Mummy Sleeping Bag	Naturehike 650FP 0°F Mummy Bag	QEZER 0 Degree Down Sleeping Bag	SYWSKW Large Down Sleeping Bag	QEZER 620FP Down Sleeping Bag	NEMO Equipment Disco Down 15F	SENSORY4U 850FP Down Quilt	Kelty Cosmic Synthetic 0°F Long	Naturehike SP550 650FP Down Sleeping Bag	Naturehike Ultralight Down Sleeping Bag	BUERTS 680FP Ultralight Down Bag	Sierra Designs Cloud Zip 20F
Temperature Rating	5 Degree	20°F	21°	18°F	18°F	-11°F	0°F	10.5°F	15°F	30°F	0°F	18°F	40.4°F	32°F	17°F
Insulation Type	microfiber	fiber fill	down	Duck down	Duck down	white duck down	Duck down	Down	Down	Down	Synthetic	Duck down	Duck down	Down	DriDown
Shape	mummy	–	mummy	Mummy	Mummy / Envelope	–	–	–	Spoon	Top quilt	–	Mummy	Envelope and mummy	Envelope	mummy
Capacity	Double	Double	–	–	–	–	–	–	–	–	–	–	–	–	–
Weight	8.2 pounds	15 pounds	–	3.2 lbs.	2.9 pounds	3.5 pounds	2.6 pounds	3.46 pounds	–	1.9 lbs	5 lb. 3 oz.	2.03 pounds	1.95 pounds	1.85 lbs	2.08 pounds
Fill Power	–	–	550 FP	600+ FP	650 FP	650 FP	680 FP	620 FP	650 FP	850 FP	–	650 FP	650 FP	680 FP	800 Fill Power
Shell Material	–	–	recycled nylon and polyester taffeta	400T tear-resistant nylon	400T 20D ripstop nylon	400T nylon	–	–	–	–	–	–	400T 20D ripstop nylon	400T 20D fabric	15D nylon ripstop
Lining Material	–	cotton flannel	recycled nylon and polyester taffeta	400T tear-resistant nylon	–	400T nylon	–	–	–	–	–	–	–	–	–
Intended Use	Hiking, Backpacking	Hiking, Backpacking	Backpacking	Hiking, Backpacking	Hiking, Backpacking	Hiking, Backpacking	Hiking, Backpacking	Hiking, Backpacking	Backpacking	Hiking, Backpacking	Backpacking	Hiking, Backpacking	Hiking, Backpacking	Hiking, Backpacking, Mountaineering	Backpacking
Material	–	Canvas	–	–	–	–	–	–	–	–	–	–	–	–	–
Color	Double Red	Grey (Cotton Flannel Liner)	Laurel Green	Blue	Black	Black	Blue	Black	Boreal	Green	Fired Brick Red	Blue	Black	Black	Green
Size	Double	Mammoth 20F	Womens	18°F~45°F	Large-86.6*33.46"	2.87lb Down Filling	Large	3.46 lbs	Women's 15°F / Long	Standard	Long (2025)	Short	Large	X-Large	Long
Insulation Material	–	–	Down	Down	Down	Down	Down	Down	Down	Down	Synthetic	Down	Down	Down	Down
Activity	–	–	–	–	–	–	–	–	–	–	–	–	Travel	–	–
Target Audience	–	–	–	Adults	Adults	Adults	–	Adults	Men's, Women's	–	–	Adults	Adults	Adults	–
Weather Condition	–	–	–	–	Cold Weather	Cold Weather	Cold Weather	Cold Weather	–	–	–	Cold Weather	–	–	–
Included Accessories	–	–	–	–	–	–	Pillow	–	–	–	–	–	–	–	–
Recommended Use	Camping	Camping	–	Camping	Camping	Camping	Camping	Camping	–	Camping	–	Camping	Camping	Camping	–
Weight Class	Lightweight	–	–	Lightweight	Ultralight	Lightweight	Lightweight	Ultralight	–	Ultralight	–	–	Ultralight	Ultralight	Ultralight
Dimensions	87 × 63 × 3 inches	94 × 62 × 3 inches	78 × 30 × 3 inches	84.6 × 31.5 × 3 inches	86.6 × 33.5 × 3 inches	88.6 × 32.3 × 3 inches	86.6 × 33.5 × 3 inches	85.4 × 32.3 × 3 inches	–	14 × 6.5 × 3 inches	74 × 30 × 3 inches	15 × 7.09 × 3 inches	86.6 × 33.5 × 3 inches	84.6 × 32.2 × 3 inches	84 × 32 × 3 inches
Model	1109	1064	35413824RR	QDM-800Blue-US	–	–	SYM-mummy	–	–	–	35428525LR	–	–	–	–

If camp noise keeps you awake, you can combine your sleep system with the best earbuds for sleeping.

Key Specs for Choosing

Check the Fill Power

Fill power indicates the loft and warmth of down insulation. Higher numbers mean better warmth for less weight. The SENSORY4U quilt uses 850 fill power, making it highly efficient for its 2-pound weight. The SYWSKW bag offers 680 fill power, providing solid warmth at 2.6 pounds. The Naturehike options use 650 fill power, which is slightly less efficient but still reliable. You should compare these numbers to understand how much warmth you get per ounce in the pack.

Consider the Shape

The shape affects your comfort and the bag's weight. Mummy shapes, like the Kelty Cosmic or QEZER 0°F models, trap heat efficiently but can feel restrictive. The NEMO Disco uses a spoon shape for more shoulder room. Quilts, such as the SENSORY4U option, offer maximum freedom but require a sleeping pad. Double bags, like the TETON Tracker, provide space for two people. Choose a shape that matches your need for warmth versus freedom of movement.

Review the Dimensions

Width and length determine if you fit comfortably. The TETON Tracker is 63 inches wide, suitable for couples. The Kelty Cosmic Women’s bag is 30 inches wide. The Naturehike 0°F bag is 33.5 inches wide, offering extra space. Lengths vary from 74 inches for the Kelty Synthetic Long to 87 inches for the TETON Tracker. Ensure the length accommodates your height and the width allows you to move without feeling cramped during your trip.

Look at the Weight

Weight impacts your pack load significantly. The SENSORY4U quilt is the lightest at 2 pounds. The Naturehike Ultralight bag weighs 1.95 pounds. The QEZER 600FP down bag is 1.76 pounds. Heavier options like the TETON Mammoth weigh 15 pounds and are better for car camping. The TETON Tracker weighs 8.2 pounds. Select a weight class that aligns with your backpacking style, prioritizing lighter bags for long distances and heavier ones for base camps.

Match Insulation Material

Insulation type affects performance in wet conditions and pack size. Down insulation, found in most top picks, offers high warmth-to-weight ratios. Synthetic insulation, like the Kelty Cosmic Synthetic 0°F, retains warmth when wet but is heavier. The TETON Mammoth uses canvas for durability. Down is generally preferred for backpacking due to its compressibility. Synthetic is a practical choice if you expect rain or humidity. Check the material to ensure it suits your expected weather conditions.

Frequently asked questions

Which sleeping bag is best for couples backpacking?

The TETON Sports Tracker 5 Degree Double Mummy is the top choice for two people. It features a double size with a 63-inch width. This extra space allows for comfortable sleeping without crowding. It weighs 8.2 pounds, which is manageable for car camping or base camps where weight is less critical.

What is the lightest sleeping bag on this list?

The SENSORY4U 850FP Down Quilt is the lightest option at 2 pounds. It uses 850 fill power down for efficient warmth in mild weather. Its quilt design minimizes bulk. This makes it ideal for weight-conscious backpackers who prioritize low pack weight over a full mummy shape.

How does fill power affect warmth and weight?

Fill power measures the loft and warmth of down insulation. Higher numbers mean better warmth for less weight. The SENSORY4U quilt uses 850 fill power, making it highly efficient for its 2-pound weight. The SYWSKW bag offers 680 fill power, providing solid warmth at 2.6 pounds.

Are there sleeping bags with built-in pillows?

Yes, the SYWSKW Large Down Sleeping Bag includes a built-in pillow. It offers 680 fill power down insulation and a wide shoulder fit. This design adds convenience for backpackers who want extra head support without carrying a separate pillow, though it weighs 2.6 pounds.

Which bag is best for tall backpackers?

The Kelty Cosmic Synthetic 0°F Long is designed for taller users. It features a long size to accommodate height. The synthetic insulation provides reliable warmth in cold conditions. It is durable and roomy, making it a solid choice for those who need extra length in their gear.

What is the difference between a mummy and a quilt?

A mummy bag, like the TETON Sports Tracker, encloses the body for maximum warmth. A quilt, like the SENSORY4U 850FP, is open on the sides. Quilts are lighter and more packable. They suit warm weather or active sleepers who generate their own heat.

Which sleeping bag has the warmest temperature rating?

Several bags share the 0°F rating, including the Naturehike 650FP 0°F Mummy Bag and the QEZER 0 Degree Down Sleeping Bag. These options suit cold weather backpacking. The Naturehike model weighs 2.9 pounds, while the QEZER weighs 3.5 pounds, offering different weight-to-warmth ratios.

Is there a sleeping bag with a spoon shape?

The NEMO Equipment Disco Down 15F features a spoon shape. This design offers more room for shoulders and hips compared to traditional mummy bags. It includes a draft collar and vented temperature control. It is suitable for backpackers seeking comfort and versatility in cooler conditions.

We compared 15 down sleeping bags by published specs. Match fill power and temperature ratings to your needs for reliable warmth and weight savings.

— Not rated

Match Temperature Ratings to Your Season

The best fit for you

Specifications side by side

Key Specs for Choosing

Check the Fill Power

Consider the Shape

Review the Dimensions

Look at the Weight

Match Insulation Material

Frequently asked questions

See also

More Sleeping Bags ratings

Get new ratings by email