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The 10 Best Sleeping Bags for Camping, Backpacking and Everything In Between

The definitive buying guide to the best sleeping bags available, based on our testing; plus, tips on how to buy the right bag for you.

best  sleeping bags
Gear Patrol

If you were lucky enough to tune into the Discovery Channel’s Man vs. Wild during its heyday, you might’ve witnessed Bear Grylls, a former British Special Air Service operator and the show’s host, make TV magic by gutting a dead camel and demonstrating how to climb inside the carcass for warmth and shelter. The sequence of teeth-clenching footage is perhaps the best reminder that, hey: sleeping bags are pretty cool.

Sleeping bags, in fact, are a camping essential — and even those of us who never bed down under the stars may well keep one around the house as emergency bedding. We tend not to upgrade our sleeping bags with the same frequency as other pieces of outdoor gear, like hiking boots or down jackets. But sleeping bags have come a long way in the past decade.

This guide — which we’ve organized by fill type and temperature rating — represents the best of the current class. Here's how to choose the best sleeping bag.

Temperature Ratings

Every sleeping bag comes with a temperature rating, usually represented roughly by a number in its name. That number comes from third-party lab testing. Those labs test for two numbers: a comfort rating and a lower limit rating. The comfort rating is the environmental temperature in which a sleeping bag can provide sufficient warmth for colder sleepers; the lower limit rating represents the temperature at which a warm sleeper will be comfortable.

The number in a sleeping bag’s name may not be its exact temperature rating; brands tend to round numbers to the nearest five or zero. For example, REI’s Trailbreak 30 has a lower limit rating of 29 degrees Fahrenheit and a comfort rating of 38 degrees Fahrenheit.

Should You Buy Down or Synthetic Insulation?

Sleeping bags provide warmth by trapping air inside their fluffy filling, which is typically either down or synthetic insulation. Choosing which is right for you is a matter of pros and cons.

Down, which comes from geese and ducks, tends to provide more warmth in a smaller volume than most synthetics. Down insulation comes with a fill rating that denotes its quality. For instance, a 30-degree sleeping bag with 800-fill down will provide the same amount of warmth as a 650-fill bag rated to the same temperature, but it will do so with less insulation, so it will pack down smaller. Down’s main drawback is that it clumps when it gets wet, but many brands today use down that’s treated to be water-repellant. Down sleeping bags are also almost always more expensive than synthetic ones.

Synthetic insulation consists of manufactured fibers that attempt to mimic down. Synthetic insulation tends to be more water-resistant, durable and affordable...but also bulkier and heavier.


Depending on how often you use it, a sleeping bag can last you for years; it’s a long-term investment. Sleeping bags are also expensive, and their price is a product of the materials used. As a rule, down insulation is more expensive than synthetic, and higher fill powers (more warmth for weight) are more expensive than lower ones. Because they use more material, cold-weather sleeping bags tend to be more expensive than warm-weather sleeping bags.

How We Tested

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collage of three sleeping bags
Hayley Helms

We put the top sleeping bags in this guide to the test, camping and sleeping in a variety of environments and conditions. From a lakefront forest in Pennsylvania to the San Bernardino National Forest to the deserts of West Texas, we cozied up and took note of a few key factors: sleep position, warmth and fill power, weight and packability.

We packed and unpacked the bags, camped over multiple trips and observed the durability of face fabrics, functionality of features and overall comfort levels. The result? An in-depth look at some of the best sleeping bags for adults available today.

Best Overall Sleeping Bag
The North Face One Bag Sleeping Bag
tnf the one
Hayley Helms

The North Face The One: Packable, modular, comfortable: The One really is the one.

Best Upgrade Sleeping Bag
Nemo Riff 30 Sleeping Bag
nemo riff 30 sleeping bag
Mary Singler

Nemo Riff 30: Fluffy, functional and roomy — the Nemo Riff 30 has it all.

Big Agnes Torchlight UL 30 Sleeping Bag
big agnes torchlight ul
Emma Cranston

Big Agnes Torchlight UL: Zipping up this bag requires a little extra effort to avoid snagging the material, but the juice is worth the squeeze.

BEST BUDGET Sleeping Bag
Kelty Cosmic 40 Sleeping Bag: 40F Down
Ust Monarch Sleeping Bag
ust monarch
Scott Seiver

UST Monarch: The unique, butterfly-style wings on the aptly-named Monarch allow the user to adjust temperature at will.

Best Two Person Sleeping Bag
Nemo Jazz Duo 30F Sleeping Bag
nemo jazz duo
Hayley Helms

Nemo Jazz Duo 30F Sleeping Bag: Packed down it may still be massive, but in terms of comfort, the Jazz Duo is worth its weight in gold.

REI Co-op
REI Siesta Hooded 20 Sleeping Bag
Montbell Seamless Down Hugger WR 900 #3
Best For Side Sleepers
Big Agnes Sidewinder SL 35˚
Big Agnes
Best For Hunting
Sitka Kelvin Aerolite 30 Sleeping Bag
Therm-a-Rest Vesper 45F/7C Quilt
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