Sleeping Bag Buying Guide: How to Choose the Right One for Camping
Coleman Big Bay 20F Mummy Sleeping Bag
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Whether you're car camping or stargazing in the backyard, the Coleman Big Bay 20°F Mummy sleeping bag will keep you toasty warm thanks to its heat-retaining insulation and construction.
Shop similar productsKey Details
Weight
3 lbs. 15.8 oz.
Temperature Rating (F)
20 degrees (F)
- Coletherm™ MAX insulation provides superior heat retention in temperatures as low as 20°F
- Semi-sculpted hood and Thermolock™ draft tube help lock in heat so you stay comfortable when the temps drop
- ZipPlow patented zipper design prevents snags so the bag is easy to open and close; Thermolock prevents heat loss through the zipper
- J-zipper lets you ventilate the footbox on warmer nights so you don't feel stuffy
- Cozy Foot™ soft fleece footbox; Comfort Cuff™ material for softness and protection around the face
- Packs into a compressible stuff sack for easy packing and carrying when you're ready to head home
- Dimensions are 32 x 79 in.
Imported.
View all Coleman Camping Sleeping Bags| Best Use | Camping |
|---|---|
| Temperature Rating (F) | 20 degrees (F) |
| Temperature Rating (C) | -6 degrees (C) |
| Weight | 3 lbs. 15.8 oz. |
| Zipper Location | Left |
| Insulation Type | Synthetic |
| Sleeping Capacity | 1-person |
| Lining | Fleece |
| Sleeping Bag Shape | Mummy |
| Fits Up To (in.) | 79 inches |
| Shoulder Girth (in.) | 64 inches |
| Hip Girth (in.) | 53 inches |
| Stuff Sack Size | 16.5 x 10.5 inches |
| Stuff Sack Volume | Unavailable |
| Compressed Volume | Unavailable |
| Gender | Unisex |
Buying Advice
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JCar1
Christopher,IL
Very comfortable & warm sleeping bag
2 years ago
[This review was collected as part of a promotion.] This high quality sleeping bag is excellent for camping and tailgating! The material is very spacious for my bigger size and still is lightweight enough that it’s not real heavy to weigh down while carrying in its bag and is perfect to bring along for keeping toasty warm during the late night and early morning chills.
Yes , I recommend this product
Originally posted on coleman.com
Annamichelle
DC
Light weight but warm and cozy!
3 years ago
[This review was collected as part of a promotion.] I was so excited to use this sleeping bag. I had been using one that was 20 years old so this was absolutely an upgrade. First off the color and the fabric is soft and great. It is a light sleeping bag that gives a lot of warmth. I love the fact that you can zip up this sleeping bag from the bottom and the top. Typically my feet are cold so I love that the foot area is lined with fleece material. This bag is easy to roll up and does not trap a lot of air like some others. I cant wait to take this on more trips!
Yes , I recommend this product
Originally posted on coleman.com
beave0222
Great sleeping bag!
3 years ago
[This review was collected as part of a promotion.] The Coleman Big Bay 20 Degree Mummy Sleeping Bag makes camping so enjoyable! The bag keeps you warm up to 20 degrees F but also has venting to allow you to create your specifically designed environment. The zipper is of high quality which I find lacks in a lot of sleeping bag brands regarding snagging. The soft green and bright yellow colors are very fun! The durability and functionality is simplistic but also detail oriented. I did have a rough time getting the buckles and straps figured out to open and close for the first time but I got the hang of it over time. The fabric is nice and soft. It doesn’t make a loud crunchy noise while opening or getting in. It’s lightweight only weighing in around 3-4 lbs. Overall, this product is a win for any adventurous camper!
Yes , I recommend this product
Originally posted on coleman.com
MrRog
Post falls
Very comfortable
3 years ago
[This review was collected as part of a promotion.] This sleeping bag is awesome and the vibrant color is top notch. The over all feel of the bag is very soft and it’s long. The zippers are durable, made it a way that you won’t accidentally zip up the bag and ruin it and I like that it zips up like a true mummy sleeping bag. I go camping in Idaho a lot and it keeps me warm during summer camping trips, my entire family wants one now.
Yes , I recommend this product
Originally posted on coleman.com
Preethi
Lubbock,texas
Super comfy and does the job right
3 years ago
[This review was collected as part of a promotion.] We camp a lot and I have tried so many of the sleeping bags and Coleman BIGBAY sleeping bag is absolutely my new favorite.The best thing I loved about it ,is it felt comfy and cuddled and kept me from being cold even in the early mornings.I felt the sleeping bag was so far the best I had which prevented me from being cold in morning fog and mists .It’s super comfy and I am a little big person and it even fit me perfectly.I loved the color and also amazed by its quality and how easy it is to clean up and wrap up .It’s a must have if you are a frequent or a once a year camper.
Yes , I recommend this product
Originally posted on coleman.com
Portlandmom
Portland, OR
cozy sleeping bag
3 years ago
[This review was collected as part of a promotion.] I am very excited to use this camping. I took it out of the case - but haven't slept in it outside. But I am very excited about this sleeping bag. We camp in tents in the Pacific NW and I tend to be cold when I camp for several reasons, including not liking to wear a ton of layers when I sleep. I love that this is geared for 20 degrees temp. The shape of the sleeping bag is contoured, so your feet are snuggly especially with the fleece footbox. I am so excited about this sleeping bag. Coleman is also a solid brand that we have used for multiple camping items.
Yes , I recommend this product
Originally posted on coleman.com
lilbenceleste
Redlands CA
Kept me warm all night!
3 years ago
[This review was collected as part of a promotion.] I got this sleeping bag to use while camping in a tent at the beach. I’m sure it was about 40 degrees and I stayed very warm all night. I didn’t even need heavy pajamas. It is very plush and comfy. The material feels great. It’s made really well, the zipper is smooth and you can even zip it so your face is warm. If you get too hot you can unzip the foot area to get a little air. Everything about it is totally worth the money. Highly recommend!
Yes , I recommend this product
Originally posted on coleman.com
grizzibehr
Reminded me of mum.
3 years ago
[This review was collected as part of a promotion.] I first used this camping in my backyard with my son. It was march in Idaho. It got down to 25 degrees F. I was enough. I am 6 ft 1. It didn't wrap around my head as much as I would have liked. I would have preferred a bigger deeper hood. The zipper is an anti-snag zipper and it didn't snag. There is a nice warm fleece coating around the feet. I didn't like the face cover and would prefer the top of my head be covered better.
Yes , I recommend this product
Originally posted on coleman.com
Nikkisblu
Vancouver, WA
Comfortable, lightweight, and warm
3 years ago
[This review was collected as part of a promotion.] In the Colorado Rockies, the temperatures at night can vary significantly from one day to the next. This sleeping bag held its own against the changing conditions and maintained my comfort and core temps while camping this weekend for Spring Break. This sleeping bag is well made with sufficient space for even the largest guy in our party.
Yes , I recommend this product
Originally posted on coleman.com
HeartShapedPockets
Saint Louis
Nice bag with great features
3 years ago
[This review was collected as part of a promotion.] I used this bag in near freezing temperatures and a warm, humid night and was comfortable in both. The ability to stick your feet out allows you to cool off in the middle of the night if you get too toasty in your bag, or just to keep from getting to warm to begin with in warm temps. Very good quality, as Coleman always is.
Yes , I recommend this product
Originally posted on coleman.com
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