15 of the Best Baby Sleep Sacks That Will Keep Them Safe

15 of the Best Baby Sleep Sacks That Will Keep Them Safe, baby in a mermaid print sleep sack.

Nordstrom

Sleep sacks promote sleep — and sleep safety — and look darn cute while doing it.

Sleep sacks are more than just a cute way to dress a sleeping baby. A baby sleep sack is a “wearable blanket” that safely eliminates the need for loose blankets in the crib.

What Is a Baby Sleep Sack?

Think of it as a blanket that can’t be kicked off during the night, a safer option that won’t get tangled up as a baby moves, or end up over the face, restricting breathing. Baby stays warm and cozy, making a better night’s sleep more likely — and when baby’s sleeping well, parents sleep better too. And not to worry, the loose shape still allows plenty of room for kicking those little legs.

What Do Babies Wear Under a Sleep Sack?

Sleep sacks are meant to be worn over pajamas, in place of a loose blanket.

Are Sleep Sacks Safe for Babies?

They are. But it’s important to know that sleep sacks with a swaddle feature should not be used when a baby is old enough to turn over, or even getting ready to turn over.

Can Baby Overheat in a Sleep Sack?

Overall sleep temperature can be managed by adjusting what your baby is wearing underneath. Options range from just a diaper to a long-sleeve sleeper. A sleeveless sleep sack will keep things cooler as well.

Sweet Dreams Are Made of These

As baby things should, sleep sacks come in all sorts of adorable varieties. Some of our favorites:

Grapes Saffron
Pink Sherpa
Chevron Print
Chamois Dot
Puppy Applique
Banana Print
Classic Floral
• Elephant Print
Tractor and Grass
Charcoal Stripes
Celestial Sleep
Quilted Safari
Tiny Dinos
Traffic Jam

Read On for More

Grapes Saffron

A dark purple option with style beyond its years (or months). The lightweight, silky soft material will appeal to babies and parents both.
Material: 95% viscose from bamboo, 5% spandex.

Pink Sherpa

It doesn’t get much cozier than this — fuzzy faux fleece with a pom-pom zipper pull and pink-striped jersey lining.
Material: Sherpa.

Chevron Print

This Halo sleep sack has a chevron print and a generous design that leaves room for kicking, plus a two-way zipper, nicely covered at top and bottom, to allow for easy diaper changes. Also available in blush pink and gray.
Good to know: Size small fits 10–18 pounds; medium fits 16–24 pounds.
Material: 100% cotton interlock.
Bonus: “Back is best” embroidery is a good reminder to place baby on his or her back.

Chamois Dot

Another Halo item, this one with an attached Velcro swaddle band that allows babies to be swaddled with arms in, or with arms out as they transition out of the swaddling stage. The inverted zipper makes diaper changes easy.
Good to know: Machine washable. Newborn fits 0–3 months, 6–12 pounds; small fits 3–6 months, 13–18 pounds.
Material: Polyester chamois.
Bonus: Can be personalized with your baby’s name.

See More About Halo Sleep Sacks:

 

Puppy Applique

A classic navy-blue stripe plus a puppy face, with cozy microfleece lining. A snap tab covers the zipper top to protect baby’s neck and chin.
Good to know: Machine washable.
Material: Polyester.

Banana Print

A wearable blanket with a banana print — you’ll smile every time you see your baby in it. The soft soy and cotton fabric is gentle on delicate skin.
Material: 50% azlon from soy, 50% organic cotton.

Classic Floral

A baby sleep sack with a floral pattern that’s sweet but not too cutesy. Breathable lightweight muslin wicks away moisture, and a front-zip closure makes it easy to put right over PJs.
Material: 100% cotton muslin.

Elephant Print

Tiny families of elephants dot this sweet sleeper. Adjustable straps at the shoulders create the perfect fit, and a two-way zipper eases diaper changes. Also available in a sheep print (baaa).
Good to know: Sized for newborn to 6 months.
Material: 100% cotton.

Dino Tracks

Your little paleontologist can dig up the prehistoric sites of his or her dreams while wearing this cozy sleeper printed with adorable dino tracks
Material: 95% viscose from bamboo, 5% spandex.

Charcoal Stripes

A classic neutral stripe in a soft jersey material made from bamboo, perfect for a brand-new baby.
Good to know: Babysprouts & Co. strives to produce products using sustainable fabric.
Material: 66% rayon from bamboo, 28% cotton, 6% spandex.

Celestial Sleep

Moons and stars dot this muslin bunting bag perfect for year-round use. A generous cut and sleeveless design allow freedom of movement, while snaps under the arms let you adjust the size.
Good to know: Machine wash, tumble dry.
Material: 100% cotton.

Quilted Safari

So cozy — a quilted background with a parade of giraffes, elephants, and zebras roaming the room while baby sleeps. A hidden zipper and snap tab closure keep it comfy.
Material: Cotton.

Tiny Dinos

Talk about dinosaur fever! Tiny dinosaurs are on the move here. Contrasting trim hides the front zipper, and a snap tab protects baby's neck and chin.
Good to know: Machine washable.
Material: Cotton.

Traffic Jam

Looks like we have a traffic jam. This bunting bag is good for year-round use, encouraging restful sleep while still allowing plenty of movement.
Good to know: Machine wash, tumble dry.
Material: 100% cotton.

Find Something You Like?
You can add any of these sleep sacks to your MyRegistry.com baby registry. Haven’t created one yet? It’s easy! Start here.

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See more on our Baby Registry Inspiration Boards.

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