The Best Toddler Sleep Sacks for Comfy, Cozy Snoozes

Snuggly, soft and sleep-safe, these toddler sleep sacks have it all.
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By Emma O'Regan-Reidy, E-Commerce Editor
Updated September 10, 2023
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Getting your toddler to go to sleep can be a challenge, to say the least. But, when bedtime rolls around, one thing’s for sure: You’ll want your little one to be comfy, cozy and sleep-safe (whether they’re in your bed or their own). Enter: Toddler sleep sacks. These wearable blankets are just as cozy as their infant counterparts but have been specifically designed with tots in mind. Here, browse top-rated toddler sleep sacks for an array of categories, from quilted and winter styles to lightweight and transitional designs. Plus, read expert-backed advice to ensure your little one is safe as they snooze.

What To Look For in a Toddler Sleep Sack

On the hunt for a snuggly toddler sleep sack? As you browse, keep the following tips in mind:

  • Size. Of course, you’ll want to make sure you choose a toddler sleep sack that’s the correct size for your kiddo. To do so, Jillian Thistel—a certified pediatric sleep consultant and founder of Twinkling Stars Pediatric Sleep Consulting in Ontario, Canada—advises parents to check the style’s age, weight and height details before purchasing. It shouldn’t “be too tight and restrictive (which could be uncomfortable and limiting to toddlers), and we also don’t want it to be too loose,” explains Thistel.

  • TOG rating. Unique to sleep-related products, a TOG rating indicates what temperatures the sleep sack is best suited for. As per Thistel, “in the summer months, or in warmer climates, it typically makes sense to use a lighter sleep sack with a lower TOG.” She continues, “in colder climates, or winter months, parents may want to use a warmer sleep sack with a higher TOG.” All in all, you’ll want to ensure that your child is at just the right temperature as they snooze—not too hot or too cold.

  • Material. Thistel recommends choosing toddler sleep sacks that are made from lightweight, comfortable and breathable materials. This is especially important “if a toddler has any type of irritation when it comes to certain fabrics,” she notes.

Toddler Sleep Sack Safety Tips

Many of the safety tips associated with baby sleep sacks, are the same for toddler wearable blankets. According to the American Academy of Pediatrics (AAP), “weighted swaddles, weighted clothing or weighted objects on or near the baby are not safe and not recommended.” This includes weighted sleep sacks, which can potentially be harmful to little ones. Moreover, the AAP advises parents not to use loose blankets or bedding in baby’s sleep environment until they’re at least 12 months old. Thistel also reminds caregivers that “just because toddlers are technically able to sleep with a blanket at 12 months old, it doesn’t mean that they’re ready to do so.” As always, take your child’s unique developmental level into account before introducing a new element into their sleep space. “Toddlers typically do better with understanding the concept of keeping a blanket on when they are around the age of 3 years old (sometimes a bit earlier or even a bit later),” Thistel adds.

Best Toddler Sleep Sack Styles To Shop

With all of that advice in mind, you’re more than ready to start your search. Below, check out the best toddler sleep sacks on the market, from adorable, footed designs to super-soft, lightweight styles.

Overall best toddler sleep sack

günamüna 1.0 TOG Sleep Bag
Image: Maisonette
What We Love
  • Fluffy, duvet-like design
  • Longer, wider fit to accommodate tots
  • Rigorously tested by the JPMA
Things To Consider
  • Some colorways are no longer made with shoulder straps

Duvet-like yet breathable, we can’t get enough of this top-rated toddler sleep sack. The fluffy wearable blanket has a hypoallergenic microfiber fill and a quilted lining to keep your little love snug as they have sweet dreams. Designed with toddlers in mind, it has a wider, longer fit so your kiddo has ample room to move their legs around. But that’s not all—as a parent, you’ll also appreciate that this toddler sleep sack has been rigorously tested by the Juvenile Products Manufacturers Association (JPMA).

Sizes: 3-9 months to 24-36 months| Material: 95% bamboo viscose/5% spandex | TOG rating: 1.0 | Color options: 10 | Care instructions: Machine wash cold, tumble or line dry

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Best toddler sleep sack with feet

Tealbee Dreamsuit Toddler Sleep Sack with Feet
Image: Amazon
Buying Options
What We Love
  • Roomy leg openings for added mobility
  • Lightly padded fabric offers comfort and breathability
  • Parents love how soft it is
Things To Consider
  • Alternative colorways have different TOG ratings

Searching for a toddler sleep sack with feet? Look no further than this cute wearable blanket. It was designed with active walkers in mind, and has two leg openings so your little one can cruise, play and snooze in this sweet style. Thanks to the lightly padded fabric and 1.5 TOG rating, it will keep your little one at just the right temperature all night long. Oh, and did we mention it’s also made from an ultra-soft bamboo-cotton blend? We’re obsessed!

Sizes: 12 months-2T to 3T-4T | Material: 70% bamboo rayon/30% cotton | TOG rating: 1.5 | Color options: 8 | Care instructions: Machine wash

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Best toddler winter sleep sack

What We Love
  • Leg openings can be connected or separated with ease
  • Warmest available TOG rating
  • Versatile design accommodates feeding tubes and other medical devices
Things To Consider
  • Not suitable for children to wear while in car seats
  • Higher price point than other options on our list

If your tot isn’t a fan of blankets, a toddler winter sleep sack offers a cozy solution. Our top pick is this design from ergoPouch, which has the warmest available TOG rating of 3.5. It features leg openings, so it’s ideal for little ones who are walking or those transitioning to a toddler bed—plus, it can easily be converted into a sleeping bag by zipping the legs together. Other highlights you’ll love include how it’s made and filled with GOTS-certified organic cotton, its four-way zippers, its stretchy side panels and its silky smooth feel. What’s more, this toddler sleep sack is feeding tube-friendly, making it a great option for little ones who use medical devices.

Sizes: 3-12 months to 4-6 years | Material: 100% cotton (outer, lining and filling); 95% cotton/5% spandex (sleeves and side panels) | TOG rating: 3.5 | Color options: 3 | Care instructions: Machine wash cold, tumble dry low

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Best year-round toddler sleep sack

What We Love
  • Made from premium, temperature-regulating merino wool and cotton
  • Two-way zipper for easy dressing and diaper changes
  • Parents say it’s soft, durable and washes well
Things To Consider
  • Not all colors or sizes are available at every retailer
  • No TOG rating
  • Higher price point than other options on our list

Made with fabric that’s super-soft and temperature-regulating, this toddler sleep is perfect for year-round slumbers. The high-quality design is complete with an Australian merino wool lining and a GOTS-certified organic cotton outer that can be counted on for comfort. Free from snaps, it features a two-way zipper for seamless diaper (or training pants) changes and dressing.

Sizes: 0-6 months to 18-36 months | Material: 100% cotton (outer); 100% merino wool (lining) | TOG rating: N/A | Color options: 7 | Care instructions: Machine wash, tumble dry

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Best sleeveless toddler sleep sack

Halo Sleep Toddler Cotton Sleepsack
Image: Amazon
What We Love
  • Lightweight, sleeveless style is great for summer
  • Growth spurt-friendly design
  • Affordable price point
Things To Consider
  • Some parents wish the foot cuffs were longer

Sleeveless toddler sleep sacks are another great choice for summer snoozes—just like this lightweight style from Halo Sleep. With a 0.5 TOG rating, you can ensure it will keep your little love cool (but not too cold) as they sleep. Plus, the toddler wearable blanket has convertible foot openings that can be pulled over tiny toes for added warmth, when needed. Adjustable shoulder snaps and an elasticated waist are also growth spurt-friendly. An added bonus: It’s under $30, making it a budget-friendly option to boot.

Sizes: 12-24 months to 3T | Material: 100% cotton | TOG rating: 0.5 | Color options: 3 | Care instructions: Machine wash warm and inside out, tumble dry low

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Best transitional toddler sleep sack

What We Love
  • Unique starfish design for comfort and mobility
  • Roomy to support hip and joint development
  • Lightweight style is great for warmer weather
Things To Consider
  • Shouldn’t be worn when your child is walking or running
  • Not all color options are available at every retailer

Naps and bedtime just got a whole lot more comfy, thanks to this transitional toddler sleep sack. The unique starfish-like silhouette offers the security of a swaddle while still allowing your little one to move around. The roomy design also supports proper hip and joint development. What’s more, this versatile sleep sack for toddlers comes in a range of sizes (front infants to older tots), so you can depend on it for years to come.

Sizes: 3-6 months to 2T-3T | Material: 55% cotton/45% modacrylic | TOG rating: 0.5 | Color options: 35 | Care instructions: Machine wash inside out, tumble dry low

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Best generous-fitting toddler sleep sack

Copper Pearl Sleep Bag
Image: Copper Pearl
Buying Options
Copper Pearl|$44.95
What We Love
  • Made from ultra-soft, breathable fabric
  • Parents say it's the perfect thickness
  • Available in a wide range of colors and prints
Things To Consider
  • 0-6 month sizes have a 1.25 TOG rating

Here’s another roomy toddler sleep sack style that your little one won’t want to kick off. The wearable blanket from Copper Pearl has a three-layer design that’s ultra-soft, breathable and just the right amount of stretchy. The generously sized sleep sack for toddlers offers ample room while still ensuring your kiddo is secure as they snooze. Now comes the hard part: Choosing just one of the 131 adorable colors and prints available. Some of our favorite patterns include chocolate chip cookies, coastal stripes, autumn blossoms and sleepy sloths, to name a few.

Sizes: 0-6 months to 18-24 months | Material: Polyester, rayon | TOG rating: 1.7 | Color options: 131 | Care instructions: Machine wash cold, tumble dry low

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Best day-to-night toddler sleep sack

Ergobaby On the Move Sleep Bag
Image: Ergobaby
Buying Options
What We Love
  • 2-in-1 style with convertible foot openings
  • Modified length grows with your little one
  • Travel-friendly design
Things To Consider
  • No TOG rating

Aptly named the On the Move Sleep Bag, this toddler sleep sack from Ergobaby can be worn day or night. The 2-in-1 design features foot openings that seamlessly convert from sleep to play, as well as a modified length that will grow with your little mover and shaker. It’s also travel-friendly, thanks to its handy harness slot that works well with strollers and car seats. When your kiddo needs a diaper or pull-up change, the two-way zipper will make the job a bit easier. Better yet, this toddler wearable blanket comes in two fabric weights—mid-weight and cozy—to meet your changing needs.

Sizes: 6-18 months to 18-36 months | Material: 100% cotton | TOG rating: N/A | Color options: 15 | Care instructions: Machine wash

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Best quilted toddler sleep sack

What We Love
  • Quilted design and warm TOG rating are great for winter
  • Shoulder snaps and full-length zipper for easy dressing
Things To Consider
  • Not all colors are available at every retailer
  • Some reviewers say the cotton is stiff at first

Last but definitely not least is this top-notch quilted toddler sleep sack from baby deedee. The quilted design has earned a TOG rating of 2.5, meaning it’s ideal for winter. When bedtime rolls around, the shoulder snaps and full-length zipper will make it easy to get your tot into the wearable blanket. Another highlight: The cocoon-like silhouette is made from a cozy yet breathable fabric that you can count on to keep your little love at the perfect temperature. What’s not to love?

Sizes: S (0-6 months) to L (18-36 months) | Material: 100% cotton (shell); 100% polyester (filling) | TOG rating: 2.5 | Color options: 9 | Care instructions: Machine wash cold and inside out, tumble dry low

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How We Chose the Best Toddler Sleep Sacks

To help you find the best toddler sleep sacks for your little one, we did the bulk of the research for you, so you don’t have to spend hours scrolling through online retailers. We browsed dozens of options from leading toddler brands, and chose the best of the best by considering a list of factors, like quality and durability, sizing, color options, material, TOG rating and safety features. We read user reviews to get the lowdown on how these toddler sleep sacks have worked for real families, and didn’t consider anything with less than an average four-star rating. What’s more, to make sure we’re highlighting wearable blankets that are sleep-safe, we chatted with a pediatric sleep consultant. This way, you’ll know which essential features and safety considerations to keep top of mind as you shop. We also followed the safety recommendations of the AAP and looked for certifications from key organizations, like the JPMA, where applicable.

Interested in learning more about our editorial process? Read about how our team develops and reviews all articles here.

When Should Toddlers Stop Using a Sleep Sack?

There isn’t a specific age at which toddlers should stop using sleep sacks. That being said, “it typically makes sense to transition them away from the sleep sack around the time that they transition to a bed (which is usually around the age of 3 years old),” explains Thistel. For some little ones, this transition may take place earlier if the sleep sack is no longer working for them—while others may take longer to part ways with their wearable blankets. Thistel reassures parents that this process will be unique for each kiddo. “We have 3 children (including twin toddlers), our oldest son slept with his sleep sack until the age of 2, one of our twins was ready to transition out of her sleep sack when she was 2.5 years old, and our other twin preferred to stay in her sleep sack until she was 3 years old,” she shares.

How To Transition Your Toddler out of a Sleep Sack

Is your tot ready to graduate from a toddler sleep sack and into “big-kid” bedding? “Thankfully the transition out of the sleep sack isn’t usually a challenging transition (especially when compared to the transition out of the swaddle!),” says Thistel. If your child is showing signs of readiness, Thistel suggests letting them know ahead of time that this transition will be taking place. “Having open dialogue can help them prepare, especially if they are very attached to their sleep sack,” she explains. Instead of removing the sleep sack from their bedtime routine all at once, do so gradually. “One strategy that I really love is having the toddler choose a new, small, light blanket that you can introduce, to start getting them used to sleeping with a blanket before you take the sleep sack away completely,” recommends Thistel. When doing this, Thistel advises parents to dress their little ones in a lightweight sleep sack, placing their blanket of choice over them as they rest. This way, they can get used to the idea of sleeping with a blanket. Then, once they’re comfortable with it, you can remove the sleep sack entirely. Lastly, Thistel reminds parents that “it may take some time for your toddler to keep a blanket on all night, and that’s okay! Give them some time and practice to get used to the new change.”


Jillian Thistel is a certified pediatric sleep consultant in the Greater Toronto Area in Ontario, Canada. She is a member of the Association of Professional Sleep Consultants and founder of Twinkling Stars Pediatric Sleep Consulting.

AAP, American Academy of Pediatrics Updates Safe Sleep Recommendations: Back is Best, June 2022

Healthy Children (AAP), How to Keep Your Sleeping Baby Safe: AAP Policy Explained, July 2022

Learn how we keep our content accurate and up-to-date by reading our medical review and editorial process.

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