







🌙 Sleep smarter, parent easier—because every night counts!
The Yoofoss Baby Sleep Sack 12-18 Months is a premium 2-pack of 100% organic cotton wearable blankets designed for toddler comfort and safety. Featuring a breathable 1.0 TOG rating, CPSC-certified secure fit, and a convenient 2-way zipper, it ensures cozy, safe sleep while simplifying nighttime diaper changes. Durable and machine washable with minimal shrinkage, this lightweight, sleeveless sleep sack supports healthy hip development and is perfect for year-round use.








| ASIN | B0CQV92XGB |
| Age Range Description | Toddler |
| Apparel Fabric Stretch | Low Stretch |
| Apparel Fabric Weight Class | Lightweight |
| Best Sellers Rank | #1,446 in Baby ( See Top 100 in Baby ) #16 in Baby Wearable Blankets #187 in Baby Boy's Clothing #220 in Baby Girls' Clothing |
| Brand Name | Yoofoss |
| Closure Type | Zipper |
| Collection Name | All |
| Color | 1.0 Tog-leaf&green |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,794) |
| Fabric Type | 100% Cotton |
| Fit Type | Regular |
| Fit to Size Sentiment | Positive |
| Garment Size Country | United States |
| Global Trade Identification Number | 06976566123665 |
| Item Type Name | Baby Sleep Sack |
| Material | Cotton |
| Occasion | Baby Shower |
| Part Number | SS-N-004 |
| Pattern | Leaf&Green |
| Product Care Instructions | Machine Wash |
| Size | Large |
| Sleeve Length Description | Sleeveless |
| Style | Leaf&green |
| Style Number | SS-N-004 |
| Unit Count | 2.0 Count |
S**E
Perfect sleep sacks for toddlers — breathable, safe, and soft!
I’m so glad I found these Yoofoss sleep sacks! I’ve tried several brands, and this 2-pack is hands down the best value for the quality. The fabric is super soft and breathable—perfect for our 72°F nursery. The 1.0 TOG weight keeps my toddler cozy without overheating, and we’ve had no sweaty wake-ups since switching. The two-way zipper is a lifesaver for nighttime diaper changes (no more full undressing!), and the zipper guard at the top is a thoughtful touch to protect their chin. After multiple washes, the sacks still look and feel great—minimal shrinkage, seams holding strong, and no fading. Sizing is true to size, though if your little one is on the taller side, you might outgrow the smaller size range sooner. I love the roomy fit for kicking legs and healthy hip development. And the designs are super cute and gender-neutral, which is great for hand-me-downs. Highly recommend if you're looking for a safe, comfortable, and well-made sleep sack. It’s really helped our toddler sleep longer through the night—and made my life easier, too!
R**L
Love the quilt-like design and quality!
This sleep sack is great for a chilly room. Our little one’s room seems to stay about 5 degrees colder than the rest of the house so we were looking for a warmer sleep sack for the winter months. She has been warm and cozy, no matter what the temp is in her room. It’s a nice quality product that is soft, thick, and quilt like (it has a nice weight to it). It did shrink about an inch with the initial wash, which I was a bit bummed about because it just means she will grow out of it that much sooner, so I would order a little bigger than you think.
J**K
⭐️⭐️⭐️⭐️⭐️ Comfort + Convenience = Better Sleep for Everyone
As a parent of a 3-month-old (and 3 older children), I’ve tried several sleep sacks, and this 2-pack has quickly become a favorite. I’m writing this review after several days of nightly use and multiple washes, and I feel confident recommending it to other caregivers. ✅ Comfort & Material: The fabric is exceptionally soft and breathable—perfect for my baby's sensitive skin. The 1.0 TOG weight is ideal for a moderate room temperature (we keep the bedroom around 70-72°F), offering just the right amount of warmth without overheating. My baby seems noticeably more settled when we use these compared to heavier or stiffer options. ✅ Design Details: The two-way zipper is a game-changer during late-night diaper changes—quiet and smooth, and there’s a zipper guard up top so it doesn’t rub against her chin. The armholes and neckline are snug without being restrictive, which gives me peace of mind in terms of safety. ✅ Durability: I’ve washed both sleep sacks several times now, and there’s been no fading, pilling, or shrinking. They come out of the wash just as soft as when they were new. I also appreciate that the green color is a calm, gender-neutral tone that goes with anything. ⚠️ Minor Note: Sizing runs a little on the smaller side. At 3 months (around 13 lbs), my baby fits perfectly in the 0–6 month size now, but I anticipate needing to size up soon. It would be helpful if the listing included a more detailed sizing chart based on weight and length. 🎯 Final Thoughts: This sleep sack set checks all the boxes: soft, breathable, well-designed, easy to care for, and safe. If you’re looking for a lightweight sleep sack for spring, summer, or a climate-controlled home, I’d absolutely recommend this one. I’ve already bookmarked the larger size for later.
E**Y
Great sleep sack!
Breathable and lightweight material that is also nice and soft. The zipper is very easy to use and zips both ways for easy diaper changes.
J**Z
Amazing and baby loves it
I order this sleep sack looking for dupes of the Halo Sleep Sack. The materiel is soft and lightweight while also providing great warmth, at night the house is cold and baby’s temp is maintained well. I’ve washed the sleep sacks multiple times and there is no shrinkage and still maintains its stretchiness and color. It works very well and I have no issues with the zippers. The size is as the chart follows although if your baby is on the bigger/longer side you may want to size up for more leg room. Only small complaint I have of the cover for the top zipper is a hit or miss and will not always cover the zipper all the way.
A**W
Warm and comfy
Nice thickness from the double layer of fabric that feels nice. Two way zipper is super nice. We’ve had it about three months and so far there are no signs of wear from the washer/ dryer.
L**H
Perfect winter sack
So warm and cozy! Our little one loves it when we crank the heat down at night in the winter. It is thicker than any tog 2 I’ve used on the past.
J**N
Nice sleep sack
It’s perfect in winter for the home does not turn on the heater. The fabric material is soft. The color is mutual. The style is simple and it’s easy enough for changing diapers. A perfect choice for gift.
E**.
Buena calidad en las telas. Cumple la función de mantener al bebé abrigado sin tener que utilizar cobijas. Ya compré el delgado, medio y muy grueso y todos cumplen la función Lo recomiendo ampliamente
M**Z
Buen producto, cumple con la descripción.
M**A
Me buen tamaño y la tela es suave y ligera
Trustpilot
3 weeks ago
3 days ago