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How to Buy a Good Sleeping Bag


A sleeping bag can make the difference between blissful comfort and a verrry long, miserable night. It can even help you ward off life-threatening hypothermia if you get cold and wet.

Follow these tips on choosing the right sleeping bag for your next adventure and check out the Gear Guy’s favorite models.


If you are warm-natured, get a bag rated about 10 degrees lower than the lowest temperatures you typically encounter on trips. If you are cold-natured, get a bag rated 20 to 25 degrees lower than the coldest nights you anticipate.

BSA 30° F Mummy Sleeping Bag – Youth ($59.99, Warm enough for most autumn nights, this 6-foot-long bag is big enough for a Scout to grow into and has everything you need in a basic sleeping bag. The durable 70-denier nylon ripstop shell is what you’ll find in many models costing two or three times as much, making it a great value. 2 lbs., 13 oz.; rated to 30° F


Sleeping bag prices can vary from $60 to $600, depending on factors such as:


There are two main types of insulation: down, which is natural, and synthetic, which is man-made. Generally, goose down is warmer, lighter and easier to pack, but it’s typically more expensive and requires extra care. The biggest downside to down is that it loses its ability to keep you warm if it becomes wet.

Synthetic insulation, like PrimaLoft, is typically less expensive, requires little care and retains its warmth if the bag gets wet. Synthetic sleeping bags are heavier than down competitors, but they remain the best choice for routinely wet adventures.

To blur the line, you can now buy water-resistant down, which retains its ability to trap heat when wet. Still, even saturated water-resistant down loses some of its ability to trap heat, and you might have trouble drying out any bag in prolonged wet weather.

Kelty Dualist 20 (Starting at $139.95, This hybrid-insulation mummy delivers big value for its small price. It combines 550-fill water resistant down as an outer layer of insulation with synthetic insulation next to your body. This helps keep the bag lightweight while still trapping heat when wet. It is, however, heavier and bulkier than more expensive bags. Available in two lengths. 3 lbs., 3 oz.; rated 33° F (comfort) to 22° F (limit)

Kelty Dualist 20 (Starting at $139.95, This hybrid-insulation mummy delivers big value for its small price. It combines 550-fill water resistant down as an outer layer of insulation with synthetic insulation next to your body. This helps keep the bag lightweight while still trapping heat when wet. It is, however, heavier and bulkier than more expensive bags. Available in two lengths. 3 lbs., 3 oz.; rated 33° F (comfort) to 22° F (limit)


This matters when you’re backpacking, but not so much when you’re car camping. Lighter, higher-quality insulation costs more, but you can trim weight and bulk simply by buying the right bag for the conditions.

Western Mountaineering Summerlite (Starting at $390, Ultralight bags often come with tradeoffs: thin insulation and a cramped fit or lacking features like a full-length zipper or hood. Not the Summerlite, which comes in three lengths. Packed with 850-fill down feathers, it was toasty on late-March nights below freezing in southern Utah. Continuous baffles let you move feathers to the top or bottom. Really cool: the bag packs into a 1-ounce stuff sack that’s slightly larger than a loaf of bread. 1 lb., 3 oz.; rated to 32° F


You’ll notice labels with ratings like -10 degrees or +30 degrees, which tell you the lowest temperature at which most people will be comfortable sleeping in that particular bag. Price is affected by both the quality and amount of insulation, so price goes up as rating goes down.

Feathered Friends Snowbunting EX 0 ($599, For winter camping or climbing a big mountain, the Snowbunting EX 0 excels. With 25 generous ounces of sustainably produced, 900-plus-fill down, it was a cocoon for the Gear Guy on frigid nights during an April ascent of California’s Mount Whitney. Bonus: Its bulk and weight compare with many three-season (roughly 20° F) bags. 2 lbs., 12 oz.; rated to 0° F


Mummy bags taper from head to foot for thermal efficiency and to minimize weight and bulk, but some can feel claustrophobic. Rectangular bags are more spacious but are generally heavier and bulkier, and you can sometimes hit a cold spot. Try it on before buying.

Big Agnes Haybro 15 ($99.95, Sized for teens up to 5 feet 6 inches, the mummy-style Haybro is more spacious than many mummies but designed for thermal efficiency with the Big Agnes sleep system: Slide any 20-inch-wide air mattress (purchased separately) into a sleeve on the bag’s bottom side, and there’s no need for insulation on the bag’s bottom. 2 lbs., 14 oz.; rated to 15° F


Less expensive — yet lightweight — bags have sewn-through baffles, which can create cold spots along seams. Higher-quality horizontal baffles are typically warmer. Other high-quality construction upgrades include a draft tube (along the zipper), a collar (inside the hood) and a no-snag zipper guard.

Exped DreamWalker Camp 450 (Starting at $219, Is it a sleeping bag or a down jacket? With a draw cord at the foot end, a full-length center zipper and zippered arm openings, the DreamWalker (available in three lengths) converts from a bag to a blanket to a parka. Stuffed with 700-fill down, this mummy kept the Gear Guy warm on nights that dropped into the 30s. 1 lb., 14 oz.; rated 39° F (comfort) to 33° F (limit)


Get what you can afford. You can still get outside with an inexpensive bag — which is what’s most important, right? If and when you have the dough for a nicer bag, your wilderness adventures will be a little more luxurious.


Properly cared for, a sleeping bag can last 10 to 20 years. Body oils can compromise insulation, so you should always sleep in clean base layers. Post-trip, hang the bag to dry for a day or two, and then place it in a big storage sack and keep in a dry place. If your bag gets really dirty or starts losing loft, follow manufacturer instructions for washing it.

28 Comments on How to Buy a Good Sleeping Bag

  1. REI makes a good bag

  2. The other day i got a great deal on a mummy sleeping bag😀

  3. if you might get wet, dont bring a down bag – it loses its warmth and dries really slowly. Use down when you’ll definitely be covered and make sure your bag is wrapped carefully when you are carrying it on your pack – in case it rains while you’re on your way to your destination! That said, down rules. Much lighter and smaller than synthetic.

    One neat idea is to buy a $40 silk down mummy bag liner. The thing adds 10 degrees to your existing bag and it means you can make a summer bag into a fall bag. The silk liner is only about as big as two teenagers fists and weights very little. It also keeps your bag cleaner as it is totally washable.

  4. We are new to camping out and have not purchased bags yet. In Fl where it is pretty much hot year round. What type of bag do you recommend? I am sure we are gonna get synthetic.

  5. Recently got a mummy bag after years of using rectangular bag. It’s light, warm, roomy, easy to pack, and I don’t like it. It gives me claustrophobia. First night in it I dreamt I was being swallowed by a python.

  6. Second Classman // September 28, 2009 at 6:28 pm // Reply

    i have a marmot 40 degree bag. great for summer campouts

  7. Yea, some sleeping bags are just freezing cold. I try to make
    mine more at a comfortable tempreture.

  8. pumpernickel // August 11, 2009 at 7:38 pm // Reply

    i have an ll bean bag (0degrees) its a mummy bag and is compressible and good all year

  9. You can use a small camp pillow in the hoods of most mummies, except for in exceptionally snug bags.

  10. Mummy sleeping bags are great for camping; however, mummy sleeping bags cannot accomodate a full size pillow like open end sleeping bags. Are travel size camping pillows available that are appropriate for use in mummy bags, or does a person need to hand make a custom camping pillow for use in a mummy sleeping bag for camping?

    • usually camp pillows come with a stuff sack and are about half the size of the kind we use at home. My mummy bag is rather large and i usually bring a regular pillow and turn it 90 degrees and it fits fine but you can buy small camping pillows too
      from a scout

  11. my whole family got colman mummy bags as a present. They’re great

  12. scoutcamper58329190 // June 8, 2009 at 5:39 pm // Reply

    Goose Down Filled sleeping bags purchased from the local army-navy surplus and overstock store can be purchased at usually less cost than a major retail camping store. Synthetic sleeping bags can sometimes be washed in a laundromat washing machine while goose down filled sleeping bags are usually dry clean only sleeping bags when the care is needed.

  13. I have an alpine design mummy bag rated for thirty degrees and it works great andit only cost35$

  14. tenderfoot // April 9, 2009 at 6:45 am // Reply

    I got a really nice 0 degree bag from teton sports. It’s a mummy and it is VERY comfy.

  15. warmsleeper // April 8, 2009 at 3:59 pm // Reply

    I got a ausome 0 degree teton sport mummy sleeping bag. It is big but VERY comfy!

  16. powerchimp // March 30, 2009 at 5:59 pm // Reply

    to CHOWDER: good find! I wish I could be lucky like that.

  17. my troop does alot of winter campouts(since were in Ak), and i end up usualy cold and wet which, kinda kills the thought of going on another one. but, i hav never tried a mummysleeping bag before, so would it be wise 2 get a mummy sleeping bag? + can u fit a fleece-liner in it? or is it even necessary?

  18. If I have a 3 pound bag, and I need a 4 pound bag, can I just put a blanket or 2 in it?
    I’m going on a freezeout, so I need to know.

  19. I have a eureka 30 deg. bag It’s nice.

  20. webOLOE We Be Loyal Scouts boys life fan // January 26, 2009 at 6:44 pm // Reply


  21. that one dude // January 25, 2009 at 7:11 am // Reply

    this was very helpful, i got a marmot sawtooth that is rated to 15 degrees, but it will keep you snug and warm at -30 degrees if you wear a hat.

  22. Grizzly Bear // January 10, 2009 at 6:34 pm // Reply

    Campmor sells a house brand down mummy sleeping bag that is a steal. Its rated at 20 degrees but it is probably more like 30. 120 bucks for a 550-fill down bag.

  23. Just about Ultimate Scoutmaster // December 30, 2008 at 9:52 am // Reply

    I agree with Ultimate Scoutmaster, you need to go more to the cold side vs getting a warmer bag. Always remember head gear, the times I have been most uncomfortable, I have forgotten my beanie when sleeping in colder weather.

  24. connor the man // December 22, 2008 at 12:42 pm // Reply

    my neighbor gave me a really warm and small blanket for camping that gos under 0 degrees.he made my day!

  25. I have one but the zip broke off and it is a good one.

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