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❄️ Sleep smarter, not colder — the winter sleep sack your baby deserves!
The Mosebears Sleep Sack is a premium 2.5 TOG winter wearable blanket crafted from ultra-soft organic cotton with a cozy polyester fill. Designed sleeveless for optimal airflow and equipped with a smooth 2-way zipper, it ensures warmth, safety, and convenience for babies aged 6-12 months. Its kick-proof design guarantees all-night comfort, while easy machine washability fits seamlessly into busy family routines.












| ASIN | B08RDBF8XQ |
| Age Range Description | Infant |
| Apparel Fabric Stretch | No Stretch |
| Apparel Fabric Weight Class | Lightweight |
| Best Sellers Rank | #2,676 in Baby ( See Top 100 in Baby ) #48 in Baby Wearable Blankets |
| Brand Name | Mosebears |
| Closure Type | Zipper |
| Collection Name | Winter |
| Color | Animal White |
| Customer Reviews | 4.6 out of 5 stars 2,592 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 |
P**A
Lovely, warm, soft
LOVE this sleep sack. So soft and so warm. It's like a wearable comforter. My son who runs cold at night, slept well in this all last winter. I'm looking for a larger size now.
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**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.
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!
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.
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
K**E
Just as described
I bought the large which is for 12-18 months. We have the copper pear 0-6 mo and we have a hand me down and a new one. I didn’t know about the “warmth rating” as I call it. We do a lot of camping and it gets below freezing and it’s difficult to keep it warm enough for a little one. Anyway, I bought 2 warm sleep sacks both in large but different brands. This one is the one on the right and you can see it’s perfect for a crawler. My baby is nearly 8 months and in the 50% percentile, but there was no use in us purchasing the 6mo+ sleep sack. The fit seems to be perfect for now. It is very soft and the zipper is similar to our copper pearl. It seems warm enough, but haven’t used it camping yet (that happens soon). It does not seem thicker or heavier than our new copper pearl.
S**R
Love these!
We keep our house a little cooler so this is great for keeping our baby warm. It’s a nice thick material that isn’t heavy, very soft, and gives her enough room to stand and move without restricting her or wrapping her up. The double zipper is amazing as well if you need an emergency diaper change at night.
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
J**.
Great sleep sack
Loved these for winter nights. It’s very thick and looks comfy. Kept my little one nice and warm. Easy to clean as well. Would recommend.
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.
K**Y
Dirty
The fabric is soft but the sleep sack arrived extremely dirty with dirt spots all over.
J**E
Highly Recommend!!
I’m disgustingly in love with this sleepsack. It’s insanely soft to the touch. The outside is fluffy and the inside is quilted but it’s quite light for it’s TOG. I’m in Canada so we wanted a thick blanket for our cold winter nights instead of turning our furnace higher, this is doing amazingly. Before I swaddled him in fleece blankets but he would kick them off and then be very awake. In the few days I’ve had this he’s already sleeping better. It washes nicely but I’d recommend you only air dry or low heat in the dryer as it is cotton and will likely shrink. My son is only 4 months but he fits in 6 month clothing so I bought the bigger size and it fits really nicely. I even loaned it to my friend who visited and put her 11 month old for a nap in it and she fit really comfortably as well. Even my friend couldn’t get over how nice this sleepsack is. I would recommend this 100 times to anyone who experiences cold climate and wants their babes to be comfy! It’s worth the price!
Trustpilot
4 days ago
1 month ago