The Best Sleep Sack – Review 5 Best Products

Planning to have the best sleep sack for your little sunshine?

We review five of the best sleeping sack you can find on the market. We know the selection could be overwhelming so that we will provide you valuable details. Each item offers features that your baby will surely love.


Sleep sacks are a combination of a sleeping bag and a baby blanket. This baby product is ideal for children that are too young to use a blanket but too big for swaddling.

While there are baby blankets that can give the same benefits as a sleeping sack, babies can easily wiggle out of it. That is the wonder of having a sleeping sack. We know how important it is to you and your growing child the value of uninterrupted sleep. Hence, we recommend you this product.

Below are some of the benefits a sleep sack can provide.

  • Sleeping sacks can keep tots warm without you worrying about SIDS. Your baby is at high risk of having the Sudden Infant Death Syndrome or SIDS due to losing bedding or blankets. A sleep sack serves as a cozy sleeping bag that will prevent suffocation or be smothering while the baby is asleep.
  • Whether you are a first-time parent or not, checking up on your child becomes a habit especially in the middle of the night. It is because we fear that they got tangled with their blankets. Using a baby sleep sack would somehow ease our fears and give us some piece of mind
  • You and your baby can snooze off peacefully. The sleep sack doesn’t come off quickly compared to traditional blankets. Thus, you can expect for extra hours of sleep.
  • Aside from bedtime, sleep sacks are also popular for families who travel. You can use it if the baby goes with you in the supermarket, or when you need to place him in the car seat or his stroller.
  • Babies can move naturally but remain bundled. Likewise, they sleep better in a cooler temperature hence, the need for a baby sleep sack.

Parents love to use sleep sacks because it provides warmth and comfort. It is not only for babies, but it is also ideal for toddlers and younger children. We believe there are also sleeping sacks made for adults. That’s cool!


Before you buy a sleep sack, there are things to look for and consider. While these products all fall into the same category, each of them offers unique features.

Before you buy a sleep sack, there are things to look for and consider. While these products all fall into the same category, each of them offers unique features.


Different materials result to different thickness of a sleeping sack. Do you prefer lightweight sleep sacks? Or you opt for a mid-weight to a heavyweight type? Choose the brand and variety that suits the weather.

Some manufacturers offer items that are breathable and versatile. Most of the sleeping sacks I know are composed of quality fabrics like bamboo and muslin


Some sleeping sacks have closures at the shoulders while others feature a top to the bottom zipper. These accessories are essential as they can help in keeping your child bundled and prevent them from freeing themselves.


Apparently, this is a crucial factor to think about when purchasing a sleeping sack. Some sleep sacks suit a tiny baby and allow them to snooze off like a cocoon. If your child already can pull herself to her feet, switch to a toddler sack.


Aside from the materials of a sleep sack, it is essential to pay attention to its TOG. It refers to the warmth rating of a sleep sack and sleeping bags. Warmer products have higher TOGS and vice-versa. See to it that you have sleep sacks in different togs.

It will ensure that baby is sleeping in an appropriate temperature and that the sleeping sack is not too warm. Remember, if the temperature is hot; do not use baby products with higher TOG as it can cause overheating.


Following are five of the most popular sleeping sacks with their features. Take a look and decide.

HALO SleepSack 100% Cotton Wearable Blanket, Baby Blue, Large

Perhaps, one of the most favorite brands and type of sleep sack, this item from HALO is a sure hit for babies and parents.


  • Can replace loose blankets and keep babies warm and safe.
  • Most cases of SIDS are related to infant sleep. Hence, using a wearable blanket like this one from HALO matters the most for some parents.
  • It has an inverted zipper system that enables easy diaper change without taking off the entire sleep sack. Also, it comes with generous space for kicking.
  • Machine washable and made from 100% cotton which makes it breathable. Composed of organic materials which make it safer for babies.
  • It is sleeveless and lightweight which makes it perfect for hot summer days.
  • It is approved by the International Hip Dysplasia Institute as a “Hip Healthy” product as it allows proper hip movement.
  • It is ideal for parents who want to transition their babies from swaddling. It comes in four different sizes that suit infants up to 2-years old babies.


  • The material used in the HALO sleepsack is thinner compared to other brands. Thus, it is more affordable and is usually given free in various nurseries worldwide.

HALO SleepSack 100% Cotton Swaddle, Cream, Small

Another favorite is the HALO Sleepsack which is a 2-in-1 sack. It can is best for swaddling babies from 0-3 months of age. It supports child’s developmental stage by giving two product benefits in one. The majority of hospitals use this product for sleep education project.


  • A natural alternative for parents who swaddle at night. Once the baby is trying to roll, experts recommend discontinue swaddling. Hence, you can still use this sleep sack as a wearable blanket.
  • Ideal for shorter day naps as well as it features 3-way adjustable style for your baby’s needs: “arms or one arm out”, “hands-to-face” and “swaddle arms in”. It ensures that baby is in his or her most comfortable sleeping position.
  • It has adjustable fasteners to ensure the perfect fit and secure swaddling. The adjustable swaddle wrap prevents startle reflex and carefully immobilizes your child.
  • Similar to HALO’s other products, it has generous sack design so your baby is more comfortable to kick and move.
  • Recognized by the International Hip Dysplasia Institute as “Hip Healthy”.
  • It also features an inverted zipper for easy access. Likewise, it has “back is best” embroidery that will remind you to put your baby on his or her back.
  • Made also from 100% cotton, so you are sure it is breathable and easy to clean.


  • According to some users, their babies were able to pull it while swaddling which makes the product unsafe and risky.

Carter’s Baby Girls’ Floral Gown

If you are looking for a heavyweight sleep sack, this one from Carter is the best for you and your baby.


  • Made of 100% polyester micro fleece and is naturally flame resistant. Likewise, it is free from harmful chemicals and toxins.
  • It features a full zipper closure, and on top of that, it has a safety flap to protect your baby from getting caught in the zipper.
  • Changing your child’s diaper is easy because of its front closure. It also has long sleeves that will keep your baby warm during chilly nights.
  • Parents consider this item a super soft sleep gown that gives their baby maximum comfort.
  • It has a zipper up the front, and the entire dress covers the baby’s feet. You can easily keep your child warm without worrying of suffocation.
  • The floral pattern sure suits a beautiful little girl, and with its sleeves, there’s no need for an extra pajamas or onesies beneath.


  • The product may appear too small compared to its actual size and could only fit a 3-6 months old baby.
  • Not suitable to use during summer or in warmer areas unless you are using an air conditioner where the baby sleeps.

Baby Deedee Sleep Nest Baby Sleeping Bag, Wearable Blanket Sleeper, Khaki/Lime Green, Medium

While most sleep sacks look like actual sacks, this one seems to be more a sleeping bag that baby can wear.


  • It has shoulder snaps that can help you easily buckle your wiggling baby and keep him tucked and secured. Likewise, the reversed zipper is oversized that you can see it.
  • This product is composed of polyester and cotton. The exterior is 100% cotton for superior breathability with a quilted interior made of 100% polyester.
  • Machine washable and easy clean.
  • Its unique cocoon shape gives baby a comfy and cozy environment to sleep which promotes better sleep.
  • It falls under the Quilted Winter-Weight category. Hence, it is perfect for winter nights and days. This duvet sleeping bag is also a wearable blanket which The American Academy of Pediatrics approved.
  • According to Baby Deedee website, this one is their warmest sack with a 2.5 TOG.


  • Baby Deedee Sleep Nest Baby Sleeping Bag is quite pricey compared to other sleeping sacks in our list.
  • According to some reviews, their Sleep Nest sleeping bag tends to have clumpy and messy polyfill lining after putting in the dryer thus. It is better to hang it to dry.

HALO SleepSack Micro-Fleece Wearable Blanket, Soft Pink, Medium

Since HALO is one of the most trusted brands of sleep sacks, their Micro-Fleece Wearable Blanket also makes it on our list of the best sleeping sacks today.


  • Functional and comfortable, this SleepSack Micro-Fleece from HALO is also a “Hip Healthy” product according to safety organizations.
  • It is made of 100% polyester material and is sleeveless which reduces overheating.
  • It comes in five different sizes that suits even preemies up to larger babies.
  • You will also get the design similar to other HALO products such as an inverted zipper, embroidered “back is best” and has plenty of leg room for babies to kick without pulling out their wearable blanket.
  • We also like the fact that buying this sleep sack will allow you to express your support to several SIDS alliance and other baby foundations.
  • We also like the fact that buying this sleep sack will allow you to express your support to several SIDS alliance and other baby foundations.


  • The materials used in this sleep sack is thinner compared to other brands, so you still need to dress your baby in a pajama or bodysuit underneath this wearable blanket


If you are tired of worrying and struggling with sheets, quilts, and blankets to keep your little one warm and safe, it is the time that you give sleep sacks a try. These are the ideal alternatives that offer various benefits for baby and the whole family.

Considering all the factors we mentioned earlier, we believe that the HALO SleepSack Swaddle is the most convenient option to choose. It is ideal for swaddling infants and can turn to a wearable sleep sack as your baby transitions.

Likewise, its 3-way adjustable style can support your baby’s various sleeping positions. Because it is spacious, you can be sure that there is enough room to allow your child to move naturally.

Fortunately, there are plenty of sleeping bags and sleeping sacks in the market to choose from but just make sure to choose the one that is age appropriate, has the right size and can provide your baby the best comfort.