Sleep sack for baby are essential for ensuring a safe and comfortable sleep environment for your little one. In 2025, the market offers a variety of options that cater to different needs, from organic materials to adjustable designs that grow with your baby. These sleep sacks not only provide warmth but also promote a sense of security, helping babies sleep better through the night. With features like breathable fabrics and easy-to-use zippers, parents can find the perfect sleep sack to suit their baby's sleeping habits and preferences.
Yoofoss Baby Sleep Sack 0-6 Months Wearable Blanket for Babies 100% Cotton 2-Way Zipper TOG 0.5 Toddler Sleeping Sack 3 Pack, Sleep Sacks
- Comfy and Soft: Made from 100% organic cotton, our baby sleep sacks are super breathable, lightweight and machine washable. The sleeveless design and TOG 0.5 keep your baby warm and cozy while also reducing the risk of overheating.
- Smooth 2-Way Zipper: Our sleep sack double zipper makes midnight diaper change easily. The interior zipper guard and top zipper cover protect any scratches or discomfort from baby's delicate skins, ensuring the safety of your beloved baby.
- Roomy Places: The arm and neck openings sized for a perfect fit, the leg room carefully sized for baby to move around freely, but cannot be kicked off, so baby stays warm all night. The sleeping sack is great for promoting healthy hip development.
- 3-Pack Features: The package comes with 3 pack sleep sack for baby, so that baby always has one to wear to bed. The 3 colors are suitable for both baby boys and girls, which is perfect as baby registry.
- Essential Baby Item: Baby sleep sacks are good for everyday use, it will help baby get longer sound night’s sleep. There are 4 sizes available for your choices. S for 0-6 Months. M for 6-12 Months. L for 12-18 Months. XL for 18-24 Months.
$27.99
SALE
−$19.01
Cute Castle Baby Sleep Sack 0-6 Months - Lightweight 100% Cotton 2-Way Zipper TOG 0.5 Infant Wearable Blanket, Newborn Essentials Toddler Sleep Clothes (3 Pack Green)
- Luxuriously Soft: Crafted from premium 100% cotton, our baby sleep sacks offer unparalleled comfort and breathability. The sleeveless design and optimal TOG rating of 0.5 ensure your baby stays warm and snug without the risk of overheating
- Convenient & User-Friendly: Featuring a double zipper for easy diaper changes, our sleep sacks are designed with baby's safety in mind. With zipper guards and covers, they provide added protection for your little one's delicate skin. Plus, they are a breeze to care for with machine wash and tumble dry capabilities
- Enhanced Safety Design: Carefully crafted arm and neck openings ensure a perfect fit, while ample leg room allows for freedom of movement without the risk of kicking off the sack. This promotes a secure and cozy sleep environment while supporting healthy hip development
- Value-Packed 3-Pack: Each set includes three adorable sleep sacks in versatile gender-neutral colors, making them ideal for gifting at baby showers or adding to a registry. Always have a clean sleep sack on hand for your little one's bedtime routine
- Must-Have Baby Essential: Our sleep sacks are a staple for everyday use. Available in four sizes (S-XL), catering to babies from 0-24 months. Invest in quality sleepwear for your baby's comfort and well-being
$26.98
HALO SleepSack SuperSoft Wearable Blanket, Viscose Made From Bamboo, Sleeping Bag for Babies, 1.5 TOG, 0 – 6 Months, Small, Calm Sage
- 🏆 #1 SLEEPSACK - Award-winning, easy-to-use wearable blanket for safe sleep
- 🌱 SUPER SOFT - 95% viscose from bamboo / 5% elastane interior and exterior with 100% polyfill, hypoallergenic & breathable
- ✌️ 2-WAY ZIPPER - For easier changes. Zipper cover at neckline prevents scratches. Hip healthy design.
- 😴 BETTER, SAFER SLEEP - Designed to help comfort baby and reduce startle reflex, so they sleep better with less wakeups.
- 😀 1.5 TOG, ideal for all seasons, wear over pajamas. Machine washable
$39.99
SALE
−$3.00
Hudson Baby Unisex Baby Cotton Long-Sleeve Wearable Sleeping Bag, Sack, Blanket, Blue Whales, 3-9 Months
- Safe sleep long-sleeve wearable blanket sleep sacks
- Made with 100% cotton
- Soft, gentle and comfortable on baby's skin
- Optimal for everyday use
- Our sleep sacks, wearable blankets and sleeping bags are always intended to be worn over children's sleepwear.
$14.99
Unnivoll Baby Sleep Sack 0-6 Months TOG 2.5 Winter Baby Wearable Blanket, 100% Cotton Fabric Newborn Infant Sleeping Sack 2-Way Zipper Quilted Baby Sleep Bag, Warm Soft Green
- Warm 2.5 Tog: Made of 100% cotton fabric and fluffy polyester filling, our winter sleep sack is super soft and skin-friendly to baby's delicate skin. 2.5 TOG sleep sacks are suitable for cold winter and room temperatures from 61℉ - 68℉, keeping your little one warm and comfortable.
- Safety and Cozy: Unnivoll baby sleep sack has been certified to meet Consumer Product Safety Commission(CPSC), dedicating to ensure your baby's safety. Large bottom space allows infants to move freely but not kick off. Well-fitted neckline and sleeveless design provides more flexibility and snugness.
- Quilted Design for Durability: Unique quilted stitching ensures even distribution of fillers, sleep sack will not lump or shift. With preshrinking process, our sleeping bag has a shrinkage rate of less than 2% after being washed by machine and low-temperature drying(below 30℃/86℉), making this newborn sleep sack more durable and practical for daily use.
- Smooth 2-way Zipper: Double zipper allows for easy dressing and convenient diaper changing without disturbing baby while sleeping. Top-quality zippers are smooth and will not get stuck even after being used many times. Zipper guard of sleep sack can protect the baby's jaw from scratches.
- Essential Baby Item: Our sleep sacks with four sizes for choose; S(0-6 months/10-18 pounds), M(6-12 months/16-24 pounds), L(12-18 months/22-28 pounds), XL(18-24 months/26-34 pounds). As a must-have for parents, baby wearable blanket is suitable for both boys and girls!
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3-Pack Organic Baby Swaddle Sleep Sacks - Swaddles for Newborns, Infant 0-3 Months, Baby Girls, Boys, Soft & Snug Newborn Sleep Sack, Nursery Swaddling Blankets (Nordic)
- Ergonomic for Newborn Growth - Certified as a hip-healthy product by the International Hip Dysplasia Institute (IHDI), the KeaBabies Soothe Baby Swaddle Sack provides ergonomic hip support for an infant's first 6 months of growth.
- Breathable & Temperature-regulating - Our Soothe Swaddle for newborns is made with ultra-soft Organic Cotton (GOTS Certified by CU 1042833), it is lightweight and highly breathable which makes it a highly-raved newborn swaddle sack for all seasons.
- Soft & Gentle - Use our newborn swaddle as a baby swaddle blanket. We use soft and durable hook-and-loops, which are highly functional yet gentle on the baby's skin. An ideal sleep sack for sleeping.
- Smart Design - Swaddling with a swaddle blanket is made simple in just 4 steps with our baby sleep sack. Designed to create a snug and cozy womb-like environment for newborns and infants. A must-have newborn essential.
- Durable and Lasting - The FabTech 2-way stretch knit makes the Soothe Baby Swaddle Sack extra durable, machine washable, and lasting. This proprietary knit allows your baby to enjoy a comfortable and calming swaddling experience.
$25.96
HALO Sleepsack Swaddle, 3-Way Adjustable Swaddle Blanket, TOG 3.0, Velboa Plush Dots, Cream, Newborn, 0-3 Months
- 3-way adjustable swaddle that adjusts to your baby's sleep style. Swaddle arms in, hands-to-face, one or both arms out to ensure baby's best sleep and an easy transition to the SleepSack wearable blanket when it is time to stop swaddling.
- Used by hospitals nationwide as their swaddle of choice for safe sleep education. "Back is Best" embroidery reminds caregivers to place baby on his or her back.
- Strong, adjustable fasteners ensure a perfect fit and resist breakouts for more secure swaddling. Unzips from the bottom allowing baby to stay swaddled for easy diaper changes.
- Generous sack design allows room for kicking, but cannot be kicked off so baby stays warm all night. Recognized as "Hip Healthy" by the International Hip Dysplasia Institute.
- Sleeveless design reduces the risk of overheating. Use over regular sleepwear to take the place of loose blankets. Discontinue swaddling when the baby shows signs of rolling over or breaking out of the swaddle wrap.
$29.99
Unnivoll Baby Sleep Sack 6-12 Months 3 Pack 100% Cotton Lightweight 0.5 TOG Wearable Blanket Baby Sleep Bag with 2-Way Zipper for Newborn Infant Blue
- SAFETY COMES FIRST-Made from high-quality cotton and superior zipper, Unnivoll baby sleep sack is certified to meet Consumer Product Safety Commission (CPSC) guidelines, eliminate all potential risks and provide a safe sleeping environment for your little one.
- UPGRADED PROCESS-Compared with ordinary one, our 100% combed cotton sleep sack brings 30% optimization in both comfort and breathability. Pre-washing technology effectively reduces the shrinkage rate by 50%, which ensures the baby sleeping bag can be machine washed and dried at low temperatures without distorting. We care not only for babies, but also for busy parents!
- EASY DIAPERING-2 way zipper runs from the top to the bottom, making the lightweight sleep sack much convenient to change diapers without any interruption, especially during midnight. Equipped with zippe guard prevent rubbing on your baby's sensitive skin and protects baby's chin. Tog rating 0.5, making it perfect for nursery room temperature 75°F above.
- UNIQUE PATTERN-The 3 pack summer sleep sack printed with sky elements such as rainbow, star and planet, which can promote baby's brain and visual development. Multiple studies have shown that green, blue, and pink can relax and help babies fall asleep faster. We always design on the perspective of yours!
- ACCOMPANY BABY'S GROWTH-Four size options available for your choice, fits baby 0-6 months, 6-12 months, 12-18 months, 18-24 months. Unnivoll sleep sack is essential for everyday use, keep your baby cozy and sleeping peacefully!
$27.99
SALE
−$3.75
Yoofoss Baby Sleep Sack 6-12 Months Long Sleeve Wearable Blanket Baby 100% Cotton 2-Way Zipper 0.5 Tog Infants Sleeping Sack, Lightweight(Medium)
- Premium 100% Cotton: Soft, breathable, and gentle on sensitive skin, our sleep sack is made from high-quality cotton. Certified by the Consumer Product Safety Commission (CPSC), we prioritize your baby’s comfort and safety.
- Long Sleeves with Adjustable Mitten Cuffs: Keep your baby cozy in cool temperatures with long sleeves and foldable mitten cuffs. Ideal for air-conditioned rooms, chilly nights, and seasonal transitions, this feature ensures your little one’s hands stay warm.
- Convenient 2-Way Zipper: Diaper changes are a breeze with our durable, top-grade double zipper. The zipper design protects your baby’s skin from scratches, while the smooth glide ensures hassle-free use day and night.
- Safe & Snug Design: The tailored neck opening provides a secure fit, and the wide hem allows free movement while keeping your baby warm. This thoughtful design nurtures healthy hip development and ensures uninterrupted sleep.
- Easy Care and Multiple Sizes: Available in 4 sizes for babies 0-24 months (S, M, L, XL). Machine washable for easy maintenance, these sleep sacks retain their softness and durability wash after wash.
$21.24
SALE
−$12.96
Burt's Bees Baby Baby Beekeeper Wearable Blanket, 100% Organic Cotton, Swaddle Transition Sleeping Bag, Quilted Botanical Gardens, Medium
- Made from Organic Cotton: Burt’s Bees Baby wearable blankets for baby boys and baby girls are a must-have baby essential. Great for baby registry.
- Thoughtfully Designed with Safety in Mind: Our wearable blanket replaces loose blankets in the crib. Ideal as transition swaddle for infants.
- Two Way Zipper: Our new beekeeper has a two-way zipper for easy diaper changes. Zipper opens from top or bottom. Machine washable, durable and stylish.
- Available in Multiple Sizes: This baby wearable blanket ensures a perfect fit. Available in sizes S(0-6M), M(6-12M), L(12-18M), and XL(18-24M).
- Swaddle Transition Sleeping Bag: Lightweight (0.5 TOG) is 100% Cotton. Medium weight (1.5 TOG) has 100% Cotton shell with poly fill for extra warmth.
$19.99
Last update on 2025-05-02 / Affiliate links / Images from Amazon Product Advertising API