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🌙 Sleep Smart, Parent Smarter — The Ultimate Cozy Hug for Your Newborn!
The Yoofoss Baby Sleep Sack is a lightweight, 100% cotton wearable blanket designed for newborns up to 6 months. Featuring a breathable 0.5 TOG rating, long sleeves with adjustable mitten cuffs, and a smooth 2-way zipper, it ensures safe, comfortable sleep while simplifying diaper changes. Machine washable and safety-certified, it supports healthy hip development and adapts to your baby’s growth and seasonal needs.













































| ASIN | B0CX55P1SB |
| Age Range Description | Newborn |
| Apparel Fabric Stretch | No Stretch |
| Apparel Fabric Weight Class | Lightweight |
| Best Sellers Rank | #2,831 in Baby ( See Top 100 in Baby ) #36 in Baby Wearable Blankets #347 in Baby Girls' Clothing #443 in Baby Boy's Clothing |
| Brand Name | Yoofoss |
| Closure Type | Zipper |
| Collection Name | All |
| Color | 0.5 Tog-dinosaur |
| Customer Reviews | 4.6 out of 5 stars 963 Reviews |
| Fabric Type | 100% Cotton |
| Fit Type | 0.5 Tog |
| Fit to Size Sentiment | Positive |
| Garment Size Country | United States |
| Global Trade Identification Number | 06976566124716 |
| Material | Cotton |
| Occasion | sleeping |
| Pattern | Green & dinosaur |
| Product Care Instructions | Machine Wash |
| Size | Small |
| Sleeve Length Description | Long Sleeve |
| Style | Long Sleeve |
| Style Number | SS-O-004-S_EU_V |
| Unit Count | 1 Count |
E**T
Our favorite sleep sacks!
We love these sleep sacks and have purchased multiple! My favorite features are the double Zippers, the wide bottom, and the flaps to put over their hands. The patterns are really cute and they are of great quality - we wash ours quite often with having twins and they are well worth the money. They are a nice, lightweight material for any season. With having three children, we have gone through many sleep sacks, swaddles, and the like - and these are by far our favorite. Our twins are 1 year old but born 3 months premature. They have been wearing these for 6 months and are currently in the 6-12 month size (with a lot more time to continue wearing them)!
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.
C**N
Great but runs big
Love it! Sleeve are long but material is good and comfy
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.
E**N
Oversized
Very good quality but very oversized. Had to return for a smaller size. Soft and lightweight .
K**I
Baby sleep sack
The baby sleep sack is light weight making it perfect for warmer weather when you just need a light blanket.
M**W
Fit like expected
The size chart was right washes up really nice
R**Z
Grow into
Great product! Sleeves are a little long, but nothing a roll up can’t fix.
C**O
Buena opción
Muy buena calidad, si muy grueso ni muy delgado. Los cierres funcionan muy bien
D**Z
Comfortable, Good Alternative to Swaddling
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
Good quality
Does its job, quality is rich.
Trustpilot
1 month ago
2 weeks ago