Our 10 Highest Rated Sleep Sacks for Babies in 2020

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When it comes to ensuring that your child gets proper rest at night, you might be stuck with a dilemma on your hands. How do you keep your baby both warm and comfortable during the night, so that they can rest peacefully? There are many factors at play, but one thing you can do to help is to get them one of the highest rated sleep sacks on the market.

These are basically wearable blankets for babies, that are a great alternative to swaddling. This list is a compilation of some best ones in the market today.

10 Top Rated Baby Sleep Sack Reviews

Woolino – Best Seller

Comfort is an important thing to consider when choosing the right sleep sack. Getting one that isn’t comfortable enough can lead to problems, such as your child not getting the proper rest that they need or other health problems. The Woolino Baby Sleeping Sack might be perfect because it’s one of the best selling on the market and leads with stellar reviews.

For this, the materials are made from an Australian merino wool lining, along with organic GOTS certified cotton. These could provide enough comfort and help to facilitate rest, which is an important quality to consider. Another important aspect of this is that it comes with double shoulder snaps, a two-way zipper, and closable seat-belt slots, ideal for the ease of convenience it may provide you.

This can be used for every season and it’s sized for babies 2 months to 2 years old.

Baby DeeDee – Ideal Features

When shopping for a sleeper for your child, you might need something with convenient and ideal features. Finding one that has the perfect mixture of added details can be key in getting a product that suits you best. The Baby Deedee Sleep Nest boasts a fair amount of ideal features you may find enticing.

Coming with this product is an easy breathable fabric made from 100% cotton and quilted duvet material, adding another warm layer to keep the cold off. This can be ideal for temperatures 64-74 degrees Fahrenheit but should fare well in many conditions.

The features included in this are shoulder straps and a reverse zipper, which should add much-needed convenience when setting it up. Two layers of polyester and cotton make up the filling. Be sure to only machine wash this on cold with similar colors and turn it inside out.

Baby Merlin – Great for Temperature Management

It’s important to think about the temperature when considering what to buy. Too hot and your child could feel incredibly uncomfortable, but not warm enough and they might also feel discomfort. Baby Merlin's Magic Sleepsuit aims to amend this problem, making it an attractive product for many.

The sleeping position that your toddler takes is important to think about, as some sacks are best used for certain positions, and taking note of this can help prevent health risks. This is no different, as its design makes it ideal for back sleeping. It can be an effective transition from a swaddle too, depending on how you use it.

The jersey cotton and polyfill layer should provide enough comfort and breathability, keeping the temperature within the optimal range. Three-month-olds are the most prime for this, as it should be used before they start moving more while they sleep.

Nested Bean – Exceptional Comfort

The comfort of your sleep sack can vary, depending on the make and brand. Sleepers should be aware of whether their baby finds it comforting, as this could lead to stress and them waking up in the middle of the night. The Nested Bean Zen Sack Classic should be a prime pick for those in the market for exceptional comfort.

This should be a lightweight fit on your baby’s chest, as it is made from breathable materials like 100% cotton and phthalate. Also included is a non-toxic poly bead filling in the weighted pad of it, which should give it a softer feeling. A two-way zipper allows for more convenient use.

The recommended sizes range from 3 to 6 months, 6 to 12 months, and 15 to 24 months. If all of these details grab your attention, this could be an item worth checking out.

Love to Dream – Buyers' Choice

When deciding on what to purchase, it might help to know what others think about the product. The Love To Dream Swaddle UP is a buyer’s choice product for its notable design and security.

Most recognizable with this is its patented design, which differs from other swaddling methods. This dual zipper design helps facilitate diaper changing, as it doesn’t use other potentially inconvenient designs, such as Velcro. The 93% cotton and 7% Elastane helps to keep your baby snug and safe, minimizing dangerous movement.

The recommended size for this is about 13-18.5 pounds or a medium size baby. It should work well for any infant within that range and last for a long time thanks to its durable materials. Parents looking for these types of features in their child’s swaddler may want to consider the Love To Dream Swaddle UP.

Carter's – Great Quality

Quality matters, and finding out which one has the best quality can be challenging to many. Find the wrong one and you could end up with both wasted time and money, which makes it crucial that you have the right information ahead of time. Carter's Baby 2-Pack Cotton Sleepbag is all about quality and could be a good choice if you’re concerned about this aspect.

The medium version best suited for an age range of 6-9 months, supporting heights between 24 to 28 inches and weights between 12.5 and 21 pounds, while the small supports 0 to 3 months, 24 inches, and 6 to 12 pounds. It should fare well for your baby if they fall within these parameters.

It is also machine washable and made from 100% cotton and polyester, making it both soft and durable. The quality of this should hold up for a long time.

Halo – Safety Pick

When it comes to your child, safety is one of the most important factors to think about before buying any new product for them. It doesn’t matter how many features or how soft the materials are if your baby is ultimately at a health risk. Like the others on this list, the HALO SleepSack Micro-Fleece Wearable Blanket puts safety first, giving sleepers more peace of mind when using it.

This uses micro-fleece fabric and 100% polyester, which should be soft, durable, and safe, having a TOG rating of 1.0. It can be used in seasons and climates that are more moderate, helping to keep your child cool in the warmer months. The age range for this is 6 to 12 months, with 26 to 30 inches and 16 to 24 pounds being the most optimal sizes.

An inverted zipper should allow you to quickly and easily change diapers whenever, and it’s sleeveless to prevent overheating.

Luvable Friends – Exceptionally Lightweight

The weight of your potential purchase matters and can have a significant effect on how you use your product. For example, if one is too heavy, it might become very uncomfortable for your newborn, and if one is too spacious and airy, it might not be snug enough to prevent movement. The Luvable Friends Cotton Gowns should present a healthy balance between the two, being a fine choice for lightweight gowns.

100% cotton and polyester are the materials used, meaning it should be soft to the touch and capable of keeping things warm against cold air. For easy cleaning, this item is machine washable. It also comes in a multi-pack with various designs and patterns, giving parents and infants various gowns to enjoy.

Parents wanting to make sure their baby gets a cool and comfortable sleep could really enjoy the features this product offers.

1st Laugh – User-Friendly

Sometimes ease of use is an issue, as some brands might be more troublesome than others to properly put on. You might want something that’s a bit easier for people to apply, depending on your needs, of course. The 1st Laugh Muslin Baby Sleeping Sack Bag claims to be user-friendly, which makes it an enticing pick for those in the market for this type of product.

As the title suggests, this is made from soft muslin cotton, that is rated at 0.5 TOG. This design should help stay cool while also being warm enough for contentment and calm sleep. The double zippers design also adds to its user-friendliness, allowing you to efficiently change diapers without much trouble.

The recommended age range for this item is 6 to 36 months at 32 to 36 inches. It should be a strong contender for those considering these specific features.

Touched by Nature – Great Value

It’s important to keep both value and price in mind if you tend to be more budget conscious with your purchases. Some brands tend to be more expensive than others, which isn’t bad on its own but can be a problem if you don’t want to spend that much. Touched by Nature Unisex might be perfect for you, as it should bridge the gap between excellent quality and value.

This was created with breathable fibers that are also natural, along with organic 100% cotton that should be soft and durable to the touch. It comes in various sizes, with ranges such as 0 to 6, 6 to 12, 12 to 18, and 18 to 24 months available, allowing you to choose the one most appropriate for your infant. The zipper should also be convenient and easy to use, especially for changing dirty diapers.

In terms of value, this comes with many standard features without sliding into the expensive territory.

What’s A Wearable Blanket?

To put it in very simple terms, a wearable blanket is basically like a sleeping bag designed for babies. These are a good alternative to swaddling, because they typically allow for more comfort and a bit of space, while also keeping your child safe and secure. Many people prefer these over more traditional methods like loose sacks.

Consider a wearable blanket if you want your child to still have some movement with their body, but still, have safety against health risks presented. There are various different types, so be sure to research which ones are right.

Buyer’s Guide


The size will determine what is going to fit your baby, so it is imperative that you find out which one is best. Typically, manufacturers list size in terms of the age of your baby, their weight, or their height. Knowing this information can help save a lot of frustration down the road.



Sleep sacks made for toddlers are usually a good fit for children that are able to stand and walk on their own. These generally have holes at the bottom where the feet go, allowing them to not trip over themselves. Children not ready to walk can wear these as well but they may not get the full benefit that walking allows.


These are made with newborns in mind, typically fitting babies that are 0 to 18 months old. These types of swaddlers will be snugger and resemble much more of a sack, so as to keep them in place during sleep. You’ll need to be aware of when it’s time to transition from this to something more suitable for their age.


Materials are important to note because different types have different purposes. Some are better made for a specific type of season, while others can potentially handle all four seasons. Knowing what your model is made out of can tell you what to expect when in use.

happy baby is smiling wrapped up in the wearable blanket



Straps allow you to adjust your product, helping to give it a better fit as your baby grows larger. This feature can come in handy when trying to get one that can last you an extended amount of time, as the size won’t be static, but dynamic and open to customization


Some brands come with sleeves, which might be beneficial if you desire something with added warmth. Some are zippable and removable, while some others might not be, so it really helps to do your research and find out which ones have certain features and which do not.


Some zippers are a bit easier to handle than others and might have a more convenient design, so you shouldn’t assume that all zippers are the same. The positioning of these is also important, as you might need one in a specific area to unzip, which you should know ahead of time.

Benefits Of Buying A Sleep Sack


These types of swaddlers can bring great comfort to your child over other traditional means and swaddling. A lot of the times, comfort tends to be subjective, but that doesn’t mean you can’t find some with an objectively better design. Be sure to check the materials to see what to expect from yours in the future.


Safety is a top concern among parents. A cozy design is of little importance if it could be potentially dangerous for your little one.

You should note if it’s too warm or too loose, so as to make sure there aren’t any potential health risks. Also, make sure to check out if any potentially toxic materials were used in the design.


If you value a hassle-free experience with sacks, some brands offer better products than others and a few might come out on top in terms of ease of access. A few things like easy to use zippers, removable sleeves, and facilitated adjustability are key features to note.

cute newborn is smiling

Possible Dangers

Choking Hazard

You should be fully aware of choking hazards when considering which model to buy. Sometimes it might come with poorly made zippers which could fall off and be swallowed. Be sure to only buy from brands you know are absolutely safe and tested, as it could be the difference between life and death.


If you’re not too careful, overheating can become a very real problem for you to deal with. This tends to happen when you use inappropriate clothing for the wrong type of weather/season. You need to be sure that your infant is appropriately cool/warm enough in any given climate.

Safety Precautions

Assess The Situation

It is important for parents to we aware of their surroundings when taking proper care of their baby. What season, where the nursery is, the temperature, etc., you should know how these things will affect your baby. You can prep for it by dressing them accordingly, taking note to make sure that they’re not too hot/cold.

Lazy Baby In Designated Areas

It is important that parents know how to properly insert their child into a sack. If improperly placed, it could pose some threats that would further complicate their health. Be sure to read the manufacturer’s instructions thoroughly, so that you are familiar with all of the steps.

Fasten Zippers

Be careful on this step because you don’t want to accidentally pinch your child’s skin or cause them to bleed. Once the zippers are properly fastened, test it to make sure that it’s secured. If not, redo it until it is, then carefully lay the child inside of the crib.

little Asian baby is resting

When To Stop Using One

Most parents will want to know when it’s time for their child to stop using a sleeping sack. Naturally, this mostly varies from infant to infant, with some developing faster or slower than others. Usually, if it stops fitting and they’re uncomfortable in it, then you shouldn’t continue using them.

This can be a bit hard to recognize, but there are pretty noticeable signs when it is eventually time. Make sure to follow the recommended age ranges for the manufacturer, as these will most likely be your best indicator of when it’s time to move on.

Frequently Asked Questions

Is it recommended for winter or summer?

Usually, this all depends on what type of product you get, as well as the materials that were used in the manufacturing process. Some are better suited for winter, as they offer denser, warmer layers for your child, while others might be lighter and cooler for the summer. It’s imperative that you know which one is right for the season you’re in, as it could mean the difference between them getting enough rest or not.

Is it safe for newborns?

These are usually considered safe, as they do a better job than blankets at not triggering sudden infant death syndrome. Whether it’s 100% safe or not will depend both on you and your child, so be sure to do thorough research on each product you are considering. What’s good for someone else might not be best for you.

How can I make a DIY sleep sack?

Making your own might seem daunting, but it’s actually a bit easier than you may think. You can design your own sleep sack pattern from an existing sack and sew your own with fabrics from home or the store. There are resources on the internet to help you with this.


Sacks can be great for your child because they can help to keep them either warm in the winter or cool in the summer. They’re a great alternative to more traditional types of blanketing for your child and pose much fewer health risks.

If you’re still unsure on whether it’s right for you, that’s okay, as it takes time and research to know exactly what you need before making a major purchase. The more time and research you spend on this, the happier you and your child should be. Hopefully, this guide has given you a good starting point.

Author: Sleep Advisor

Our team covers as many areas of expertise as we do time zones, but none of us started here as a so-called expert on sleep. What we do share is a willingness to ask questions (lots of them), seek experts, and dig deep into conventional wisdom to see if maybe there might be a better path towards healthy living. We apply what we learn not only to our company culture, but also how we deliver information to our over 12.7M readers.

Sleep research is changing all the time, and we are 100% dedicated to keeping up with breakthroughs and innovations. You live better if you sleep better. Whatever has brought you here, we wish you luck on your journey towards better rest.

The Sleep Advisor