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🌙 Sleep smarter, not colder — the winter sleep sack your baby deserves!
The Mosebears Sleep Sack is a 2.5 TOG insulated, sleeveless wearable blanket crafted from organic cotton with a soft polyester fill, designed to keep babies aged 6-12 months warm and comfortable in nursery temperatures between 58°F and 69°F. Featuring a smooth 2-way zipper for easy dressing and diaper changes, it ensures safety and convenience while preventing overheating. Machine washable and true to size, it’s a trusted winter essential for peaceful, cozy nights.












| ASIN | B08RDBF8XQ |
| Age Range Description | Infant |
| Apparel Fabric Stretch | No Stretch |
| Apparel Fabric Weight Class | Lightweight |
| Best Sellers Rank | #5,235 in Baby ( See Top 100 in Baby ) #68 in Baby Wearable Blankets |
| Brand Name | Mosebears |
| Closure Type | Zipper |
| Collection Name | Winter |
| Color | Animal White |
| Customer Reviews | 4.6 out of 5 stars 2,606 Reviews |
| Fabric Type | Cotton |
| Fit Type | Loose |
| Fit to Size Sentiment | Positive |
| Garment Size Country | United States |
| Import Designation | Imported |
| Item Weight | 15.52 ounces |
| Manufacturer | Mosebears |
| Material | Cotton |
| Number of Items | 1 |
| Occasion | Sleep |
| Part Number | Mosebears |
| Pattern | Animal |
| Product Care Instructions | Machine Wash |
| Shoulder to Bottom Hem Length | 80 centimeters |
| Size | 6-12 Months |
| Sleeve Length Description | Sleeveless |
| Style | Sleeveless |
| Style Number | MB011 |
| Unit Count | 1 Count |
J**.
I was apprehensive but it’s amazing.
Hello I waited 2 weeks to put in this review: This product is amazing, it’s so easy to put on since it’s sleeveless and I was apprehensive since my babies hands are usually cold when she wakes up in the morning but her hands were still warm with a regular long sleeve onesie on underneath this sleep sack. It’s worth the money, it’s thick and has soft fabric and keeps her warm and we keep our house at around 68 degrees, we were keeping it at 70 and she’d get too cold with regular fleece sleep sacks. She’s sleeping longer throughout the night and no longer wakes up at 5AM. The double zipper is good quality and is hidden so she can’t attempt to unzip it. It fits true to size.
S**E
Baby loves it!
The Baby loves it! Easy to take on and off. Once in the sleep sac it's lights out and it is clearly very warm and comfortable! It was true to size since my child is between 16 and 24 pounds, the medium worked best for us. This is a much more resonable price than the Halo and other brands. Be sure to put the zipper cover over the top zipper. It would be good to have a button securing that top cover zipper like most footies have, but that is more of a suggestion that an actual problem. We have had it for a couple weeks and it is worth it for a safe and snug sleep. I clean it with Dreft and white vinegar on Normal cycle with delicate setting in the dryer since it recommends low heat. I do have to dry it 3 times on that setting or the bottom stays wet. That could be more about my dryer than the sleep sack. Yesterday I dried it on medium heat to make things a little faster and it did lose softness so stay at the low dryer setting. I will be getting a second one! Update: The second one is just as good as the first! Unfortunately, my baby grew and they are now uncomfortable in the size which is a bummer since I just bought the second one. I'm going to buy a bigger one.
M**N
Great sleep sak
This sleep sack rivals all those expensive ones. Not only is it cute but it’s very soft and warm. Perfect weight that breathable for those cold night. Great quality and looks like new after several washings. Must purchase several!!!
L**T
The BEST Sleepsack by a Hardcore Critic!
I’m typically pretty hard on baby products as far as critiques. Especially things I’ve purchased on Amazon because you can’t see or feel them in person. HOWEVER! This sleep sack is simply amazing! We live in mid-Michigan where the temps have gotten down to -10 at night. But even on a typical winter night where it is in the 20’s or teens, it gets down to 65° in our house. She has slept SO soundly with this sleep sack because she’s stayed nice and warm. The sleep sack itself is BUTTERY SOFT ORGANIC COTTON!!! I’m fairly certain the inner lining is cotton as well. It’s definitely filled with fluffy, plush, comfy polyester. The zippers are good quality and strong, never get stuck or caught. Overall, FIVE stars!! (My sister just had a baby a few days ago and I even bought one for my new nephew so he can wear it this coming fall/winter) Super soft, super warm and thick, great quality! If you live where it’s cold, don’t hesitate. Look no further! This is an amazing sleep sack!
S**L
The Best Sleep Sack for Growing Babies!
We LOVE our Mosebears Sleep Sacks! As our little chunk outgrew his swaddles and needed free arms, as well as some more leg room, we looked all over to find a great transition sleep sack. Once we started using our first Mosebears, we knew we'd found the right one! What's been great is that they're: 1) SUPER soft, like ridiculously so. I wish they came in adult sizes. And 2) they flare out so there's plenty of legroom. And finally, 3) because of the extra weight and impaired mobility, it really helps our little guy sleep better. We got the first one when little man was just over 9 months old, and was really running out of room in his old sleep sack. For the first several weeks, he couldn't even sit up in it (which was great). Now, at just over a year, he can definitely sit, and even stand up in them (he's standing/cruising during the day, but is not a walker). So, it's definitely possible for them to move around in the crib, and even fall over if they're super active. But it's cozy enough, and just bulky/weighty enough that it slows him down and encourages him to sleep in a way that pajamas alone definitely don't! Anyway, we ordered our second one 2 weeks after the first, and we don't put him down without it!
K**N
Worth buying but pay attention to the seams
Ok I am giving this a 4 because it came apart at the seam on the bottom so the stuffing inside is visible. This happened after about 10 washes which is a bit ridiculous considering its a baby's sleep sack and needs to be washed often. Regardless of the open stuffing at the bottom the sleep sack is still nice and comfy for my baby. Its pretty thick without being too thick. Our house stays at 64°F with the ceiling fan on so with this my baby stays nice a toasty. Its easy enough to put on them and I like the bottom zipper for easy changing without taking the sack off. I would say its worth the money and definitely buy it but also be aware the seams might open to show the stuffing inside, it doesnt affect the sack in anyway as long as you leave it alone and you can even hand stitch it back up
A**R
Great dupe for more expensive brands
These are great winter sleep sacks at a much better price than other big brands. They’re very soft and thick and I’ve already washed both of ours many times and dried on low and they’re holding up just fine. I do think they may run a tiny bit smaller than advertised/may have shrank in the dryer so I don’t think the 0-6M size will fit all the way until 6 months. But I would definitely recommend these for a chilly room!
A**.
Best Cotton Sleepsack
This sleepsack is great. I have only recently gotten it for my daughter so I can’t speak to how long it lasts but after first wash and dry on low, it is in the same condition. The material is so incredibly soft and the inside padding is so comfy, I am almost jealous I don’t have a blanket like it haha. Well worth the money. For reference I bought this sleepsack along with another quilted 2.5 tog weight sleepsack by Trekki and it is thicker than the Trekki even though they are both 2.5 tog weight. Both are great for fall/winter nights but I think on the coldest nights I would give my baby this one. Thank you Mosebear for making a 100% cotton (on the outside) sleepsack suitable for winter for my baby who has really sensitive skin. I’ve had to give away all my current heavier sleepsacks that are all polyester as these exacerbate skin conditions and I am so glad I found this! Also I really like that the zipper is pre-attached and two way - convenient for wherever you need to access and all you have to do is zip it up or down, no fumbling in the dark to try and match the two sides to zip it up.
E**,
Hermoso
Calientito y bonito
F**I
Suitable for AC!
Extremely cosy and soft, easy to zip up and down, you can tuck the zipper under a small flap to protect the baby, I honestly love it and have absolutely no issues with it, it keeps my baby warm, I set the AC on 20 celsius degrees, sometimes i add a light blanket on his belly just for that little extra warmth but I highly recommend it if your baby tends to pull up his or her blanket.
S**T
Perfectly cozy
These are great sleepsacks. They're so cozy and soft and warm. Our room usually sits between 17 and 19 degrees and with a footed cotton sleeper my baby seems very cozy. They wash and dry very well, no twisting or shrinking, zipper doesn't catch. This is the second one I've purchased and I'll be buying more.
C**N
Muy recomendable
Me encantó llegó muy sellado, al lavarlo no sentí que ocurriera alguna malformación del material, lo que sí es que sentí que este modelo viene muy grande para que lo consideren por si lo requieren solo para el momento, en mi caso aunque fue grande considero que me va a servir para mucho tiempo más, es muy calientito y suavecito
T**S
Amazing quality! Thick, warm and soft
This sleep sack is so cozy I wish I could sleep in it! It's thick like a comforter, and both inside and outside it is SO SOFT! Could be coincidence, but my baby has been sleeping way better since using this. Amazing quality, I absolutely love it, will be buying many more
Trustpilot
3 weeks ago
1 month ago