How to Choose a Crib Mattress Pad for Your Baby

Quick answer

Choose a crib mattress pad made from organic cotton, with a secure fit and easy-care design. It protects the mattress and adds a safe, breathable layer for your baby.

Why organic materials matter for your baby's mattress pad

Conventional mattress pads may contain chemical finishes, flame retardants, or synthetic materials that can off-gas. An organic cotton pad is grown without pesticides and processed without harsh chemicals, making it a gentler choice for a baby's sensitive skin and developing respiratory system.

Look for certifications like GOTS (Global Organic Textile Standard) to verify the organic claim. A GOTS-certified pad ensures the entire product—from cotton farming to manufacturing—meets strict environmental and social criteria.

Fit and safety: the right size and secure corners

A crib mattress pad should fit snugly over the mattress, with deep enough pockets to stay in place. Measure your mattress thickness (typically 5 to 6 inches for standard crib mattresses) and compare with the pad's pocket depth. A loose pad can bunch up and create a suffocation risk.

Elasticized corners or a full fitted skirt provide the most secure fit. Avoid pads with ties or straps that could come loose and become a choking hazard.

Breathability and comfort

A breathable mattress pad helps regulate temperature and reduce the risk of overheating. Look for a natural fiber like organic cotton in a percale weave—it's crisp, lightweight, and allows air to circulate. Avoid vinyl or plastic-backed pads that trap heat and moisture.

The pad's surface should be smooth and free of thick quilting that could create an uneven sleeping surface. A thin, quilted organic cotton pad offers a gentle cushion without adding bulk.

Care and durability: what to expect

Babies have accidents, so a mattress pad must be machine-washable and able to withstand frequent laundering. Check the care label: most organic cotton pads can be washed in warm water and tumble-dried on low. Pre-washing before first use can help soften the fabric and remove any manufacturing residue.

A well-made pad can last through the crib years and beyond. The Coyuchi Organic Crib Mattress Pad, for example, is made with 100% organic cotton inside and out, with a 220 percale covering that holds up to repeated washing.

Decision rules for choosing a crib mattress pad

• Material first: Choose 100% organic cotton (GOTS certified) over synthetic blends. It's safer for baby and better for the planet.
• Check the fit: Measure your mattress thickness and select a pad with deep, elasticized corners. A snug fit prevents shifting and reduces suffocation risk.
• Prioritize breathability: Opt for a percale weave or similar lightweight cotton. Avoid vinyl, plastic, or heavily padded designs that trap heat.
• Verify care instructions: Ensure the pad is machine-washable and can withstand frequent hot-water washes. Pre-wash before first use. If you plan to use a waterproof liner, choose a pad that can be layered without compromising breathability.

Product facts

• Organic Crib Mattress Pad: 100% organic cotton, inside and out, with a 220 percale covering and two-inch quilted squares. GOTS certified and free of chemical finishes and flame retardants. This means the pad is breathable, soft against baby's skin, and durable enough for frequent washing—without exposing your child to synthetic chemicals.

  

Who this is for

Best for

• Parents who want a non-toxic, breathable layer under the crib sheet
• Families looking for a durable, easy-care mattress pad that will last through the toddler years

Not for

• Parents who need a waterproof mattress pad (consider adding a separate organic cotton waterproof pad underneath)
• Those seeking a thick, pillow-top cushion (a crib mattress pad should be thin and flat for safety)