Crib mattresses

Firm crib mattresses without polyurethane foam, plastic waterproof layers or added chemical flame retardants.

We assess the core, cover and flame barrier together, prioritizing natural materials without synthetic filling.  Material preferences never replace infant-sleep requirements: the mattress must be firm, flat and correctly fitted to the crib.  Keep the sleep space bare apart from a fitted sheet, and do not add a soft topper.

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KATU Organic 2-Stage Crib Mattress KATU Organic 2-Stage Crib Mattress GOTSGOLSORGANIC COTTON Why we recommend it: Instead of a polyurethane-foam core, this two-sided mattress pairs latex-bound coconut fiber with natural latex, wrapped in wool and organic cotton.  Its firmer side is for infants; the softer side is for toddlers.  This is the mattress-only listing, without the brand's plastic-lined waterproof protector. Materials: organic cotton cover · wool · latex-bound coconut fiber · natural latex $329.99★ 4.8 · 27 ratings View on Amazon
Obasan Organic Latex-and-Coir Crib Mattress Obasan Organic Latex-and-Coir Crib Mattress ORGANIC COTTONNATURAL LATEXORGANIC WOOL Why we recommend it: A two-inch firm latex layer sits over two inches of coconut coir, with organic cotton and wool at the surface.  Obasan makes it in Ottawa and publishes GOTS and GOLS certification scopes for its organic materials.  The supplied wool pad adds moisture resistance, not waterproofing.  Check the fit of your crib and use the manufacturer’s specified setup with a tightly fitted sheet. Materials: organic natural latex (Sri Lanka) · coconut coir · organic cotton (Peru) · organic wool (Argentina) $425.00 View product

What we avoid

These are category-level exclusions when materials or treatments are disclosed.  Each product card explains why we recommend it and lists the disclosed materials.

Undisclosed foam or fill Unspecified flame barriers Hidden waterproof materials Unscoped certification claims