Best Organic Baby Sleeping Bag: What to Look For (And Why Pure Earth Collection Leads the Way)

Choosing the best organic baby sleeping bag can feel overwhelming. With so many brands claiming to be “natural” or “eco”, it’s hard to know who you can trust and what’s actually safe for your little one’s sleep.

But here’s the truth most brands won’t tell you:

Almost All Baby Sleeping Bags Use 100% Polyester Wadding.

Aka petroleum-derived plastic fibres stuffed inside the bag, even when the outer layer is cotton.

And these plastics? They’re often treated with heavy-duty performance chemicals like:

PFAS (“forever chemicals”)
Moisture-wicking agents like phthalates
Water-repellent coatings
Anti-odour and anti-mould finishes including formaldehyde

All of which may sound practical, until you remember you’re wrapping a tiny baby in them.

And what do these plastic-filled bags actually do?

They Disrupt Your Baby’s Natural Temperature Regulation

Polyester traps heat and holds moisture against the skin, causing:

Night sweating
Cold wake-ups
Sudden overheating
Irritated skin

None of which promotes safe, restful sleep.

And Beware Of “Recycled Polyester”

This is one of the biggest greenwashing trends in the textile ~~baby~~ industry.

During the recycling process, plastic is heated at extremely high temperatures, causing:

Release of additional toxic chemicals
Higher contamination levels
Increased chemical residues left in the final fabric

“Recycled” sounds comforting but scientifically, it’s more toxic and our kids deserve better than plastic – recycled or not.

What to Look for in the Best Organic Baby Sleeping Bag

To truly protect your baby’s health (and sleep), look for bags made from 100% natural materials, inside AND out.

That means:

Organic cotton lining
Natural wadding like bamboo (no polyester)
Safe, non-toxic dyes
Breathable fibres that support temperature regulation
GOTS certifications for safety and organic standards

And always read the small print. Most brands proudly announce “100% cotton” on the outside… while quietly hiding polyester wadding on the inside.

Why Pure Earth Collection Leads the Way For Organic Baby Sleeping Bags

Pure Earth Collection pioneered the first truly natural, plastic-free wadded baby sleeping bag using:

GOTS certified Organic Cotton Lining that is soft, breathable, and gentle on the most sensitive skin with Organic Bamboo Wadding (and no, it’s not a viscous) that

naturally regulates temperature
reduces sweating
prevents overheating
supports deeper, more settled sleep

No plastics. No microplastics and No hidden polyester!

Ultimate Temperature Control

Because bamboo wadding responds to your baby’s changing temperature, it keeps them warm without trapping excess heat.

Meaning:

Reduced 3am wake-ups from being cold
No night sweats
No confusion “which tog tonight?” panic

Our All-Season Sleeping Bag adapts all year-round. So, you only need 1 bag from Pure Earth Collection that fits your baby from 3 months old to 3 years old.

Award-Winning Sleep Innovation

Parents love it and so do the experts, our baby sleeping bags have won 9× Sleeping Bag Awards across parenting panels and judges. In the last year alone we have proudly received City Kids Awards 2025 – Gold (Best Kids Sleep Product), Organic Baby Awards 2025 – Platinum (Best Sleep Innovation).

What Parents Are Saying

Our website is filled with stories like this one:

“WOW!! That is all I can say… WOW! I’ve been through A LOT of sleeping bags for my twins and we could never find the right ones. Others made them overheat.
Since using Pure Earth Collection sleeping bags, our twins are sleeping through the night and I honestly believe these bags are the reason. Thank you, thank you, thank you!”
Emma T

And another favourite:

“This sleeping bag is the star of the bedtime routine. Cosy and practical, it helps my 3 month old down to sleep anywhere. Excellent quality that’s reassuring for temperature regulation, comfort and safety.”
Candice

And hundreds more just like it.

The Pure Earth Collection Difference

Every detail is considered:

✔ 100% organic inner & outer fabrics
✔ Natural temperature regulation, no overheating
✔ Two-way zip for easy night changes
✔ No polyester, no synthetics, no microplastics
✔ Safe, breathable, skin-loving materials
✔ Designed with advice and input from sleep experts and the safety regulators
✔ Sustainably made and kinder to the planet

This is the baby sleeping bag designed to help families sleep better and naturally.