Burt’s Bees Baby Machine Washable Safe Sleep Sack

Last updated: September 22, 2022


Available in small, medium and large, this sleep sack does an excellent job of gradually transitioning your baby out of swaddling. The sack is roomy and allows for the baby to freely move his or her arms. For convenience, the zipper starts at the bottom, which allows for easy diaper changes.

We looked at the top Sleep Sacks and dug through the reviews from some of the most popular review sites. Through this analysis, we've determined the best Sleep Sack you should buy.

Product Details

Key Takeaway: Only organic cotton is used to construct this sleep sack.

In our analysis of 44 expert reviews, the Burt's Bees Baby Machine Washable Safe Sleep Sack placed 8th when we looked at the top 17 products in the category. For the full ranking, see below.

From The Manufacturer

Burt’s Bees Baby Wearable Blanket – Beekeeper. Carefully sized for baby to move around freely and safely. Zipper opens from bottom for easy diaper changes with interior zipper guard & snap tab zipper pull cover for added safety. 0.5 TOG – Pair with any of our sleepers for maximum comfort! 100% organic, GOTS certified, breathable cotton – great for sensitive skin and to prevent overheating.

Our Expert Consultant

Kate Desmond 
Parenting Pro and Safe-Sleep Expert

Kate Desmond is a writer and infant safe-sleep expert. She has spent the last eight years working as the marketing director for Charlie’s Kids Foundation, a nonprofit that aims to educate families about SIDS and safe sleep. In that role, she travels around the country learning and educating caregivers and providers on the latest and greatest safe-sleep information to prevent infant death.

As mom to two elementary-aged daughters, she spends hours researching the best and safest products for her own kids. She is quick to get in the weeds with other mamas, and uses humor to cope with parenting woes from potty-training to teaching kids to read.

Expert Reviews


What reviewers liked

We’ve been using these since baby was 3 months old (he’s 11 months now). They are easy, safe and keep him warm. What more could you want?
We like the fact that they’ve been worn and tested with care, and the security that comes with buying from a unique, established brand like Burt’s.
This wearable blanket is super durable; thanks to the combed and ring-spun. Its zipper opens from the bottom, so you can have an easy time changing diapers.
- Ah Joo
This sleep sack is longer than others, allowing for lots of extra legroom and making it a good choice for longer babies or for those who want to get the most use out of their baby clothes.
I also love that it is wide enough for her to move and wiggle around (she never really enjoyed being confined) and the best part… it zippers from the top down.
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What reviewers didn't like

I thought this would be a good transition from a swaddle, plus we tend to keep our heat pretty low (65ish) and I was worried he was too cold. It's a lovely pattern and material but we found that fleece pj's worked better for keeping him warm.
Some moms felt the sizing was too large.
A little large, especially for newborns
- Ah Joo
Although there are many things to like about this sleep sack, many users note that the fabric is much thinner than anticipated, and doesn't provide adequate warmth in colder homes or climates.
View our Sleep Sack buying guide for in-depth advice and recommendations.

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