Mattress protectors

Cotton and wool crib-mattress protectors without plastic membranes or synthetic filling.

A cotton top can conceal a plastic waterproof layer.  We exclude those constructions and distinguish absorbent cotton from water-resistant wool; neither is automatically waterproof.  Use only a securely fitted protector allowed by the mattress maker, without extra padding or loose material on the sleep surface.

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Obasan Organic Wool Crib Mattress Protector — 28 × 52 in Obasan Organic Wool Crib Mattress Protector — 28 × 52 in ORGANIC WOOL Why we recommend it: This Canadian-made wool protector adds a moisture-resistant layer without a plastic waterproof membrane.  The crib version lies flat without elastic straps; use it beneath a snug fitted sheet, as shown in Obasan’s setup instructions.  Wool is not fully waterproof, so change wet bedding promptly.  The photo shows the protector on a crib mattress; only the protector is included. Materials: organic wool $83.30 View product
Organic Bed & Baby EcoWool Mini-Crib Protector — 24 × 38 in Organic Bed & Baby EcoWool Mini-Crib Protector — 24 × 38 in WOOLUSA PRODUCTION Why we recommend it: Felted wool provides a moisture-resistant layer without a plastic membrane.  It is not waterproof, so prompt cleanup still matters.  Choose 24 × 38 inches and shape E for a rounded-corner mini-crib mattress; confirm that your mattress maker permits the pad and that it lies flat under a snug sheet.  Gentle-wash and air-dry.  Shown folded. Materials: untreated felted wool $139.00 View product
Savvy Rest Natural Wool Crib Mattress Pad Savvy Rest Natural Wool Crib Mattress Pad WOOLUSA PRODUCTION Why we recommend it: Densely woven wool provides a washable, moisture-resistant layer without a plastic waterproof membrane.  This U.S.-made crib pad is flat and has no corner ties; it is not a cushioned mattress topper.  Wool can slow small spills but will not make the mattress waterproof.  Use only if the mattress maker permits a pad that fits flat beneath a snug fitted sheet, without changing the firm sleep surface. Materials: natural unbleached wool $69.00 View product
Shepherd's Dream Washable Wool Crib Mattress Protector, 30 × 54 in Shepherd's Dream Washable Wool Crib Mattress Protector, 30 × 54 in WOOL Why we recommend it: Dense, washable wool offers a simple alternative to a plastic-backed mattress cover.  This flat protector has no elastic or padded filling; it resists small spills but is not waterproof.  The label identifies U.S. or Canadian sourcing and manufacture.  Use only if your crib-mattress maker permits a pad, fitted smoothly beneath the sheet without changing the mattress's firmness. Materials: melton wool $108.00 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.

Polyurethane foam Chemical flame retardants Fiberglass barriers Vinyl / PVC covers