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🌙 Sleep smart, parent smarter — the cozy sack your toddler will grow into!
The Yoofoss Baby Sleep Sack for 12-18 months combines 100% premium cotton softness with a lightweight 0.5 tog rating, ensuring breathable warmth for toddlers. Featuring a 2-way zipper for easy diaper changes and long sleeves with reversible mitten cuffs, it adapts to temperature changes while prioritizing safety and comfort. Designed for durability and easy care, this wearable blanket supports healthy hip development and keeps your little one snug all night long.







| ASIN | B0DMS7JYQB |
| Age Range Description | Toddler |
| Apparel Fabric Stretch | No Stretch |
| Apparel Fabric Weight Class | Lightweight |
| Best Sellers Rank | #1,484 in Baby ( See Top 100 in Baby ) #15 in Baby Wearable Blankets #175 in Baby Girls' Clothing #194 in Baby Boy's Clothing |
| Brand Name | Yoofoss |
| Closure Type | Zipper |
| Color | 0.5 Tog-brown |
| Customer Reviews | 4.6 4.6 out of 5 stars (961) |
| Fabric Type | 100% Cotton |
| Fit Type | 0.5 Tog |
| Fit to Size Sentiment | True |
| Garment Size Country | United States |
| Global Trade Identification Number | 06977726853958 |
| Item Weight | 1 Pounds |
| Material | Cotton |
| Pattern | Brown & dinosaur |
| Product Care Instructions | Machine Wash |
| Size | Large |
| Sleeve Length Description | Long Sleeve |
| Style | Long Sleeve |
| Style Number | SS-O-005-L_US |
M**I
Runs big but highly recommend
I got a medium for my 16lbs baby cause that’s what the size chart recommended but they are HUGE! They are very soft, breathable, and not too thick. Great quality! But just run very big. I can’t wait to use them once he gets big enough.
R**Z
Grow into
Great product! Sleeves are a little long, but nothing a roll up can’t fix.
F**A
Must have for baby
This is the third time I am purchasing for my baby. The quality, ease of putting in, and size are just perfect. Its very functional Not too thick and not too thin either. Very breathable material. We usually keep the house at 72 degrees during the winter and it seems to keep him at the right temperature. Very durable, use one sleep sack for about two nights and wash them regularly throughout the week and haven’t come across any shrinking. The color has faded just a little bit but thats expected to the amount of washes it gets. Will definitely keep buying a size up as he grows. Highly recommend.
A**R
The best sleep sacks!!
This is now the 3rd time I’ve bought these sleep sacks! Every time my son grows out of them I buy the next size up. They are such good quality and so soft! Easy to clean, cute designs, lightweight and thin, and having double zippers (that actually WORK) makes it so easy. He sleeps so well in them, and seems so comfy. The fold over mittens come in handy because he has an NG tube and he used to pull it out at night and he doesn’t anymore, it’s so hard to find sleep sacks in larger sizes with them. If you’re looking for a good quality sleep sack this is the one. They’re easily worth the money. 10000% recommend!!
A**E
SIZE DOWN.
Fabric is nice, but listen to the reviews when they say to size down! I didn’t listen because my boy is alittle chunky with long legs but the size medium (used the sizing chart, 16 LBS) came in and could fit a 2 year old. The sleeves are quite large as well. Will be returning the medium we got and exchanging for a small.
A**R
Baby sleep sack
They are soft, cozy and plenty warm.
K**Z
Baby bag to sleep
It's been more than a year, I bought them and they still look good. The material is cotton, I love it
B**M
Great sleep sacks!
*Update* Absolutely love these sleep sacks! My daughter has been wearing them exclusively to bed for close to a year now, and she seems super comfy in them and they have held up great. Definitely recommend, just size down! I really like these sleepsacks. However the sizing is way off in that they definitely run very big. I ordered the size large for my 1 year old based on the size chart, but when I opened them I could not believe how big they were! They honestly look like they would fit a 3 or 4 year old. I reached out to the seller who was extremely helpful and offered to send me the next size down free of charge, but I had to go through Amazon. Unfortunately Amazon sent the exact same size, so I had to reorder again. When I eventually got the mediums they still looked a little big, but after washing them they were perfect. My daughter seems comfortable sleeping in them so I plan to keep her in them all Spring and Summer.
C**O
Muy buena calidad, si muy grueso ni muy delgado. Los cierres funcionan muy bien
D**Z
Much helpful, Baby was not liking the swaddling method. This allows the baby to play freely with baby's hands and legs and also keeping the baby warm.
Z**H
Does its job, quality is rich.
Trustpilot
2 months ago
1 month ago