Big Bay Mummy Sleeping Bag: 20F Synthetic
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Why We Like The Big Bay Mummy Sleeping Bag
Whether we are car camping in the woods or enjoying some backyard campouts we turn to the Coleman Big Bay Mummy Sleeping Bag. This synthetic bag offers a slightly relaxed mummy shape and lofty synthetic insulation that combine to keep us warm and comfortable.
Details
- Warm and comfortable sleeping bag built for nights outside
- Durable face fabric helps handle daily wear and tear
- Synthetic insulation offers lightweight and lofty warmth
- Mummy design locks in heat while remaining packable
- Thermo lock zipper prevents cold drafts from sneaking in
- Fleece-lined foot box with ventilation customizes your comfort
- Item #CMNK16X
- Material
- synthetic
- Insulation
- Coletherm MAX
- Shape
- mummy
- Zipper
- full-length ZipPlow
- Shoulder Circumference
- 64in
- Bag Length
- 79in
- Draft Tube
- Thermolock
- Pockets
- none
- Pad Retainer
- no
- Venting
- footbox zipper
- Degree
- 20F
- Stuff Sack
- compressible
- Activity
- weekend camping
- Manufacturer Warranty
- limited lifetime
Reviews
Q&A
Overall Rating
5 based on 15 ratings
Review Summary
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Selecting an option will reload the available reviews on the pageMarch 12, 2024
Update your design
The zipper design is off, it opens fantastic but does not close great, the location of the pull should be in the center of the part then links the teeth, not on the end that closes the zipper. Move it to the middle and add a tether on the pull on the inside to match the outside pull. The bag is very warm.
Originally reviewed on coleman.com
August 20, 2022
Very comfortable & warm sleeping bag
[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.
Originally reviewed on coleman.com
April 29, 2022
Reminded me of mum.
[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.
Originally reviewed on coleman.com
April 14, 2022
Very comfortable
[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.
Originally reviewed on coleman.com
April 14, 2022
Kept me warm all night!
[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!
Originally reviewed on coleman.com
April 12, 2022
cozy sleeping bag
[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.
Originally reviewed on coleman.com
April 7, 2022
Nice bag with great features
[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.
Originally reviewed on coleman.com
April 6, 2022
The go to sleepingbag
[This review was collected as part of a promotion.] This is such a great sleeping bag. I used it this past weekend while camping and was astonished at how well it insulated me...it was like an oven! The material is soft and cool to the touch which is nice. Lightweight too!
Originally reviewed on coleman.com
March 24, 2022
Comfortable, lightweight, and warm
[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.
Originally reviewed on coleman.com
March 23, 2022
Quality Sleeping Bag for Your Outdoor Adventures
[This review was collected as part of a promotion.] This Coleman mummy sleeping bag definitely exceeded my expectations. It has a silky, fluffy interior, a soft, smooth exterior, and is stuffed with a snugly, ultra luxe filling. You are sure to fall asleep fast after a long day outdoors. This lightweight sleeping bag is well designed and has so many great features. Its heavy-duty zipper has two large, sturdy pulls with convenient tabs for easier gripping and zipping that won't snag or get caught up in the fabric. Having the two zipper pulls makes it easy to adjust either end, foot or head, to the desired comfort position. This gives you so many options like half-zipped, open feet, legs out, arms out, or 100% zipped up to your chin. There is even an added flap under the zipper for extra insulation that keeps body heat from escaping through the zipper teeth. I really like the domed foot area because it keeps your feet unconfined while giving you lots of room to stretch out. This foot section is lined with fleece to keep your feet extra warm and cozy. Around the hood, there is a sturdy drawstring that can easily be adjusted around your head. It can be pulled tight enough that only your eyes and nose are exposed which is perfect for below freezing weather. There is also an added insulation cuff below the neck that can be left out or tucked in to keep cold air from entering. As an extra bonus, there is a convenient pocket below the neck that is perfect for your keys and phone. I love that this sleeping bag has a stuff sack for storage. I didn't think I would be able to get it back into the sack. But because of the highly collapsible filling, it quickly compressed into the sack without the hassle of rolling it up. Plus there are compression straps on the sack that can be pulled to make the bag even more compact when needed. While this sleeping bag is designed for cold weather, I've only had the chance to use it in moderate weather. Surprisingly, it was not hot inside and I kept comfortable by adjusting the foot and head openings with the two zipper pulls. Since this is a mummy sleeping bag, I would advise checking the measurements to make sure this is the right size for you. I expect this bag will last for a lifetime of camping adventures because Coleman is a name I can trust for high quality, dependable outdoor products.
Originally reviewed on coleman.com
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