Sleeping Bag Buying Guide: How to Choose the Right One for Camping
Exped MegaSleep Uno 25/40 Sleeping Bag
$149.95
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Adapt to cooler or warmer nights with the Exped MegaSleep Uno 25/40 sleeping bag. All you have to do is flip it around to easily switches between 2 warmth options—25 or 40°F—for better zzz's outside.
Key Details
Fill
100% recycled TEXPEDLOFT polyester
Weight
3 lbs. 13 oz.
Temperature Rating (F)
25/40 degrees (F)
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- A 2-in-1 sleeping bag that configures into a 25°F bag or a 40°F bag for a wide range of adventures
- Burgundy side up for more warmth in cool weather; the burgundy side features additional insulation and a screen-printed temperature rating for easy identification
- Ocean Blue side up to sleep cooler in warm weather; the blue side features less insulation and a screen-printed temperature rating for easy identification
- Synthetic insulation performs well in damp conditions and is engineered for maximum loft while remaining lightweight and highly compressible
- Lighter and more compressible than your average rectangular sleeping bag without sacrificing warmth or durability
- Full-length zipper with dual sliders extends around foot section, allowing the sleeping bag to be opened into a camp blanket
- Draft tube along full length of zipper stops heat loss and enhances warmth
- Head-end drawcord with dual adjustment toggles snugs up around your shoulders to limit heat loss and increase warmth on cooler nights
- Fits perfectly with the Exped MegaMat (not included) for an at-home sleep experience in the outdoors
- Includes a convenient, adventure-ready sling storage bag with carry strap
- Washable and quick drying; hand-wash or machine wash separately; use soap in warm water and rinse well
- Air dry or tumble dry on medium-low setting; do not wring or iron; do not use bleach or use fabric softener; do not dry clean
- 100% recycled and recyclable monomaterial polyester allows for easier deconstruction and reuse at end of life
Imported.
View all Exped Camping Sleeping Bags| Best Use | Camping |
|---|---|
| Temperature Rating (F) | 25/40 degrees (F) |
| Temperature Rating (C) | -3/5 degrees (C) |
| Weight | 3 lbs. 13 oz. |
| Shell | OEKO-TEX 100-certified recycled 40-denier ripstop polyester |
| Zipper Location | Left/Right |
| Insulation Type | Synthetic |
| Fill | 100% recycled TEXPEDLOFT polyester |
| Sleeping Capacity | 1-person |
| Lining | OEKO-TEX 100-certified recycled 40-denier ripstop polyester with durable water repellent (DWR) |
| Sleeping Bag Shape | Rectangular |
| Fits Up To (in.) | 76.8 inches |
| Shoulder Girth (in.) | 66.9 inches |
| Hip Girth (in.) | 66.9 inches |
| Stuff Sack Size | 10.2 x 22.8 inches |
| Stuff Sack Volume | 39 liters |
| Compressed Volume | Unavailable |
| Gender | Unisex |
| Sustainability | Contains recycled materials |
Buying Advice
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Customer Images
Dried Fruit Review
Received free product
Seattle, WA
Interesting idea to accommodate warm vs cold night
8 months ago
Interesting idea: turn the 40 degree side on top for warm nights/ turn the 25 degree side on top for cold nights. I liked the concept of this sleeping bag, and it worked well (with the right setup). You absolutely need a good insulated sleeping pad for this to work correctly. In a hammock on colder nights, I noticed it didn't quite work as intended. The cold would start creeping in through the 40 degree side without a barrier. In a tent, on a sleeping pad, is where I was really impressed with it. I hate mummy sleeping bags as I can never get comfortable, so I think the rectangle shape is a plus despite it making it a bit more bulky. I'm a size 12 and 5'5" and found it quite roomy. I tend to sleep cold, so my personal comfort range in this bag is more like 35/50 degrees instead of the 25/40. My partner is the opposite and sleeps hot and says his comfort range in it is closer to 30/45 degrees in this bag. We were both able to notice a difference depending on which side we had up. My biggest critique is for the colder nights as cold can creep up on you if you toss and turn and let the air get it the 40 degree side. I'd recommend this bag for 2 MAYBE 3 seasons, but I'm sticking to my -20 bags once the nights get below 30 degrees.
Age:25–34
Weight:150–175 lbs.
Height:5'5"
Yes , I recommend this product
PNW Mama Bear
Received free product
Overall great sleeping bag
8 months ago
The sleeping bag held up well for me considering I get cold easily outdoors and find it hard to retain heat. That being said, for me being 5’4” and 110-125 lbs. it was plenty roomy for me as I’m petite. The zipper performs well and didn’t catch any snags while using and testing it. The interior pocket is handy to keep a flashlight or headlamp handy.
Age:35–44
Weight:100–125 lbs.
Height:5'4"
Yes , I recommend this product
Emil Oingle
Received free product
Philadelphia, PA
Kind of a genius idea, cuts down on storage space!
8 months ago
I brought this bag on my trip to Norway. With widely varying temps given weather changes and elevation changes I figured it'd be useful. The temperature changes with each side are noticeable, the 40 was definitely too chilly for the colder nights. I paired this bag with an inflatable sleeping pad, and a reflective folding one underneath that. I'm a cold sleeper! Overall I totally recommend this because at this point I have 2 bags, and Im ready to donate the 20 bag and just use this one year round.
Age:25–34
Weight:125–150 lbs.
Height:5'3"
Yes , I recommend this product
MinnieCO
Received free product
Fort Collins, CO
Cozy sleeping bag for 3 seasons
8 months ago
I was skeptical about this sleeping bag at first. It was hard to believe that you could flip it over and it would work for colder weather. But the sleeping bag is very cozy and warm. It was placed on an inflatable ground pad for extra comfort and padding. The inner lining is nice, same material as the outside, which I prefer because it allows more movement and no snags. My husband is 6’ tall and he fit comfortably in the bag, although his feet were touching the bottom. He liked that it’s rectangular so he had more room to toss and turn in it. The sleeping bag has a small snap pocket inside for your ear plugs or chapstick. There isn’t a pillow pocket or a built-in hood so it might not keep a very cold sleeper as snug. The bag also doesn’t come with a smaller stuff sack and takes up a lot of space in the car. I like that this sleeping bag is a carbon neutral product.
Age:35–44
Weight:150–175 lbs.
Height:6'0"
Yes , I recommend this product
rei_rose
Received free product
Sonoma County, CA
Interesting concept that works
7 months ago
This is a great sleeping bag for car camping. I haven't tried to see if it'll stuff down into a smaller sack, but it's relatively lightweight and easily fits back into the provided bag. I tend to sleep cold, so I do not find the temperature ratings to be good for comfort. I would use this for at least 10 degree warmer temperatures. However, this is usually to case with most sleeping bags I've used. The switchable temperature sides are the main feature, and I do find that it works as I've noticed a difference in warmth when using both sides. Because of the rectangle shape, the sleeping bag does not seem to insulate as well around your head/neck/shoulders, but the shape makes for ample wiggle room. I mostly liked using this as a blanket though as I shared it with my partner over another layer.
Age:25–34
Weight:100–125 lbs.
Height:5'2"
Yes , I recommend this product
Teddventure
Received free product
Boulder, co
Great modular bag
8 months ago
I don’t typically live square bags but this one is now a permanent addition to my kit. Just super soft and so versatile. The best part is using it as a comforter with a hot and cold sleeper. Best of both worlds.
Age:35–44
Weight:150–175 lbs.
Height:5'7"
Yes , I recommend this product
Alisser89
Received free product
Rhode Island
Great Car Camping Sleeping Bag
9 months ago
I used this sleeping bag with a low of 45 degrees and I stayed relatively warm! I used my own regular wide Nemo sleeping pad and it fit right inside my sleeping bag. This was optimal for the cool night/morning to keep me as warm as possible. I love that this bag can be flipped for cooler summer weather and to the warmer side for crisp fall evenings. The bag features a long zip, which was tight with my Nemo pad, a pillow snap feature if you have their pillow and a draw string closure to let minimal air in. This bag was great for car type camping and I look forward to using it on future trips. This bag claims to be lightweight but I personally wouldn’t use on backpacking trips since I feel it’s too heavy for me personally and I usually prefer a mummy bag for backpacking. I’m 5’1” and feared the extra space at the bottom would make my feet cold, which has happened with my former sleeping bag. Happy to report with socks, Nemo pad and this sleeping bag they stayed warm all night! As an aesthetic observation, initially didn’t care for the colors, but the burgundy actually matches my tent perfectly so that’s a win too!
Age:35–44
Weight:125–150 lbs.
Height:5'1"
Yes , I recommend this product
smm1357
Received free product
Chicago area
Versatile and lightweight
7 months ago
It's a great option for those wanting to cut down on gear by having a single sleeping bag that can serve in both warm and cooler weather. It's very comfortable, lightweight, and super easy to stuff in a backpack or other bag if needed. I appreciated the high quality and smooth zippers. I think my favorite surprise feature was the built in pocket, which fits a small flashlight or headlamp perfectly!
Age:35–44
Weight:175–200 lbs.
Height:5'11"
Yes , I recommend this product
BridgeRider
Received free product
Tucson, AZ
Nice flexible choice; great as a blanket
8 months ago
The highlight of this sleeping bag is also it's limitation. The great thing is that it unzips into a large, warm blanket that can stretch across multiple laps (or sleeping people). Perfect for 40-degree backyard nights when the chiminea isn't quite close enough, or a cool evening on the beach. It's also great for fitting multiple kids in, with full stretch space along each side instead of the usual tapering. It's also tall enough for most people. The trade off is in no hood feature, which did mean that I slept a bit cooler than I usually do. It does have a cinch, but that's not the same functionality as a hood in terms of keeping ears warm. I like that one sleeping bag can do double duty in warmer and cooler temperatures (rated for 26F or 41F, depending on which side you put facing the air). And as a blanket, it was great when I wanted a slightly warmer blanket than my tent-mate. This is a great choice for someone who wants flexibility and doesn't need something that keeps them SUPER insulated against the cold. The interior pocket is a nice touch, as long as you want the pocket side on the top - otherwise it's a little uncomfortable to sleep on a snap-pocket. The fill is 100% recycled polyester.
Weight:100–125 lbs.
Height:5'6"
Yes , I recommend this product
vegbiker
Worst zipper EVER.
9 months ago
I have a slightly older version of this, so it's possible they made improvements, but I see no mention of it. This bag is roomy, cozy, packs okay. I've found it good to about 40 degrees with layers, but I've not noticed any difference in the warmth of the two sides, and the idea that it could be good down to 25 degrees is downright dangerous. The real problem, though, is that this bag has the worst snagging zipper I've ever had in a sleeping bag. And I spent my first few years of backpacking and camping with a kmart special that cost about $30. It's so bad that I delay getting up to use the bathroom at night just because I don't want to fight with the zipper. I find myself inching out of it like a worm just to avoid having to deal with it. Really disappointing.
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