PFAS-Free Sleep Sacks: What Every Parent Needs to Know

Sleep sacks are a staple of safe infant sleep — they keep babies warm without loose blankets in the crib. But a 2023 investigation revealed that some popular sleep sacks contained per- and polyfluoroalkyl substances, better known as PFAS. If you haven't checked your baby's sleep sack yet, now is a good time.

What Are PFAS?

PFAS are a family of over 12,000 synthetic chemicals used to make products resistant to water, stains, and heat. They're called "forever chemicals" because they don't break down in the environment — or in the human body. Studies have linked PFAS exposure to disrupted hormone function, immune suppression, and developmental issues in children. The developing bodies of infants are particularly vulnerable.

How Do PFAS End Up in Baby Sleep Sacks?

Manufacturers sometimes apply PFAS-based finishes to sleep sacks to make them water-resistant or wrinkle-free. The chemicals aren't always listed on the label because they're considered a processing aid rather than an ingredient. Some companies also source outer shells treated with DWR (durable water repellent) finishes, which are often PFAS-based.

How to Find Truly PFAS-Free Sleep Sacks

Look for sleep sacks that explicitly state they are PFAS-free or "fluorochemical-free." OEKO-TEX Standard 100 certification prohibits PFAS above trace levels — it's one of the most reliable signals. GOTS certified products also exclude PFAS in processing. When in doubt, contact the brand directly and ask whether they test for PFAS in finished products.

What We Carry at Everetts Place

Every sleep sack we stock has been vetted for PFAS. We prioritize brands that use GOTS certified organic cotton or OEKO-TEX certified bamboo, with no water-resistant chemical treatments. Our collection includes options in every TOG rating — from lightweight 0.5 TOG for summer to cozy 2.5 TOG for winter — so your baby sleeps safely year-round.

Safe Sleep Reminders

The AAP recommends keeping the crib completely empty — no pillows, bumpers, or loose blankets. A fitted crib sheet and a sleep sack are all you need. Choose the right TOG for your room temperature, and always make sure the neck and armhole openings fit snugly so the sleep sack can't slip over baby's face.