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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 | #2,629 in Baby ( See Top 100 in Baby ) #34 in Baby Wearable Blankets #306 in Baby Girls' Clothing #364 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 960 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 |
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
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)!
R**Z
Grow into
Great product! Sleeves are a little long, but nothing a roll up can’t fix.
J**.
Lifesaver for transitioning from complete swaddle to arms out
These are absolutely adorable. I bought these when my little one was transitioning from being completely swaddled to arms out. The fact that these have hand covers was a lifesaver. With his hands out he would play with his fingers. Keeping his hands covered prevented scratches to his face from his nails and he fell asleep much faster. The blue dinosaur one is my favorite. It’s nice and warm but not too thick or heavy. My only complaint is that the second sleep sack, the hands didn’t always stay covered. Maybe it was made slightly loose. Besides that. Love. He knows it’s time for bed when he gets his sleep sack on.
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!!
R**L
Love it
Love these sleep sacks. It feels very soft and gentle on my baby’s skin. It’s well made and high quality. It’s our second time purchasing it and we will buy more.
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.
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
3 weeks ago
2 days ago