Best Baby Sleep Sacks for 2023

Whether it’s the wintertime or if your baby has simply outgrown swaddling, sleep sacks are an absolute must-have.

They’re safer and more convenient than loose blankets in the crib, as they were originally designed to help reduce the risk of SIDS. Not to mention, they’re versatile enough to suit every baby and temperature. Today, we’re sharing the best baby sleep sacks on the market today. Let’s dive in!

1. Woolino Sleep Sack 

Woolino Sleep Sack is definitely one of the most popular around, as it’s perfect for any season. Made from Merino wool, it effectively regulates body temperature. In the winter, it’ll keep your baby nice and cozy, and in the summer it’s breathable and cool. Merino wool is notoriously long-lasting, to boot. Did we mention that its universal size accommodates babies from 0 months all the way to 2 years old? 

Simply put, it’s the only sleep sack you’d need to buy your baby. You may notice that it sports a larger price tag than most, but when you factor in its longevity and versatility, it’s still a fantastic deal. The brand’s closable seatbelt slots are also popular, as you don’t even have to take your baby out of their sleep sack to safely buckle them in!


2. Halo Sleepsack 

Halo Sleepsacks are just easy. They’re super affordable, come in a ton of different colors and patterns, and are ideal for every season. If you’re looking for the best sleep sack for summer, we highly recommend checking out their sleep sacks made of lightweight muslin. 

Don’t think that because they’re so inexpensive that they’re lacking in quality -  anything but! Their sacks made for colder months rank all the way up to an impressive 3.0 Thermal Overall Grade (TOG) and all of them feature an inverted zipper to simplify diaper changes. 


3. Kyte Baby Sleep Sack 

Baby skin is so soft and delicate, why not make a sleep sack equally as soft? Kyte Baby has accomplished the task with flying colors, creating a kind of cult following in the process. 

Made of breathable, soft, and sustainable bamboo rayon, it’s breathable and regulates body temperature better than most other materials. The brand’s sleeping bags come in varying temperature choices, ranging from 0.5 to 2.5 TOG. 

There are plenty of ways to help get your baby on a proper sleep routine, and using comfortable materials like those found in Kyte Baby products can help. The pastel, unique color options are absolutely beautiful (great for baby girl sleep sacks) and the double zipper makes diaper changes so much easier!

4. Burt’s Bees 

Burt’s Bees is a brand many parents already know and love for their eco-friendly, body-friendly products made of high-quality ingredients and materials. Their wearable blankets are no different, made of soft-yet-lightweight cotton that is breathable and warm. If you’re looking for sleep sacks with legs free to move around, it’s a fantastic choice. 

They come in many cute prints, unzip from the bottom, and have up to a 0.5 TOG rating perfect for the colder months. If you’re on a budget or just want to buy many to have around, these are some of the most affordable. 

5. Zipadee-Zip Sleep Sack 

Swaddle transition sleep sacks are exploding in popularity, making the change less abrupt so your baby doesn’t really even feel the switch. The Zipadee-Zip features a special starfish design that will keep them comfortable without limiting their movements.

The most notable difference between this one and a regular sleep sack is that your baby’s arms and hands are covered (though still free to move around). This is important if your baby rolls in their sleep. 

6. Hudson Baby 

Sleep sacks aren’t just for babies, either. If you’re looking to help your toddler fall asleep more easily, the Hudson Baby sacks are perfect. While most of the sizes stop at 24 months, it’s not a rule, as many parents have found that theirs work well beyond this age. 

Another feature is that they have the option of either long or short sleeves so you have something for every season. Not only that, but you have the choice of fleece or mink textiles, too. 

7. Baby in a Bag

Are you on the hunt for something extra thermal? Baby in a Bag is essentially a baby sleeping bag, made with the highest safety standards. Boasting a 2.5 TOG warmth rating, it’s full of a soft polyester made for sleeping in temperatures as low as 58 degrees. 

As your home most likely isn’t that cold, it’s ideal for camping trips with your baby, for use in road trips, and so on. 

Best Sleep Sack Buying Guide 

When you’re on the hunt for the perfect sleep sack for your little one, there are a few different things you’ll want to look into. 

Safety

When it comes to your baby, nothing is more important than their safety. That means that their sleep sacks should be properly-fitted and that all closures and fasteners are secured. Not only that, but we highly recommend against purchasing anything that doesn’t come from a reputable retailer. 

Size

Just like with adult clothing, sizes vary depending on the brand that you select. However, you can still follow their sizing guide as closely as possible to ensure they fit your child. Also pay attention to the length, as every baby is different. 

Material 

As you’ve probably noticed, there are sleep sacks made of all kinds of materials. Muslin, cotton, and bamboo rayon are some of the most popular for the summertime. Wool and polyester are ideal for the winter months. 

TOG Rating

This kind of goes hand-in-hand with our previous point. However, you can have two sleep sacks made of the same material with different TOG ratings. The higher the rating, the warmer the sleep sack is going to be. 

Track Your Baby’s Sleep Patterns with Baby Connect

If you’d like to track your baby’s sleep patterns, weight, and how they’re reacting to their sleep sacks, we highly recommend checking out an app like Baby Connect. It’s the most comprehensive baby tracking application currently available, with easy-to-read graphs and charts. 

Shayanne Weeks

Shay is a versatile writer originally from Boise, Idaho, now based in Los Angeles, California. When not writing, she's a touring music producer and DJ who tries to fit in time with her partner and 4 fur babies as much as possible.

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