Best Cotton Crib Mattresses of 2026

The Sealy Flex Cool Crib Mattress is a top-rated safety mattress that has been certified by GREENGUARD GOLD, ASTM, and CPSIA. It features a 2-stage firmness design that offers a firmer side for infants and a cozier side for toddlers. The breathable cotton cover and waterproof barrier make cleaning easy, while the 204 durable steel coils provide premium posture support for your baby. Made in the USA, this mattress fits all standard-size cribs and toddler beds and comes with a lifetime warranty. With its dual firmness, safety certifications, and premium support features, the Sealy Flex Cool Crib Mattress is an excellent choice for your baby's sleeping needs.

The Graco Foam Mattress is a GREENGUARD Gold Certified and CertiPUR-US Certified foam mattress that fits standard full-size cribs and toddler beds. The outer cover is water-resistant and machine washable, making it easy to clean in case of any accidents. The mattress is made of polyurethane foam, which is analyzed by independent, accredited testing laboratories to meet CertiPUR-US program standards for content, emissions, and durability. The mattress comes compressed in a box and expands to its full size within 72 hours of delivery. The Graco Foam Mattress is a safe, comfortable, and convenient choice for parents looking for a quality mattress for their child.

The Dream On Me Honeycomb Orthopedic Firm Fiber Standard Baby Crib Mattress is designed for infants and toddlers with a 5” fiber core support. It is Greenguard Gold Certified, meets/exceeds all flammability, phthalate and lead tests. Easy maintenance with a waterproof, vented cover to keep liquids and stains out. The chic, white honeycomb vinyl cover is easy to clean with mild soap and warm water. Proudly made in the USA with a 10-year warranty.

The Organic Cotton Dual-Sided Crib Mattress is a 2-stage premium memory foam CertiPUR-US hypoallergenic baby mattress with firm support for infants and cooling gel for toddlers. It is perfect for providing a safe and comfortable sleeping surface for your baby. The infant side is made of high-density foam to provide optimal firmness, thickness, flat surface, and stable edges while the toddler side has a breathable, cooling gel foam material that supports healthy posture and enhances relaxation. The organic cotton cover is easy to clean and hypoallergenic. All materials used are CertiPUR-US certified and laboratory tested for maximum safety assurance.

The Serta Dual Sided Mattress offers a safe and comfortable sleeping space for your baby. Its waterproof cover makes cleanup a breeze, while the breathable fiber core, made from recycled materials, provides the perfect firmness for your child's needs. As your little one grows, you can easily flip the mattress to adapt to their changing sleep requirements. Additionally, this mattress is GREENGUARD Gold certified, ensuring cleaner air quality and lower chemical emissions, which helps create a healthier environment for your child.

The Newton Baby Mattress is a 2-stage crib mattress that can support your growing baby from infancy to toddlerhood. It features innovative Breathe-Thru Technology that allows your baby to breathe right through the mattress, reducing the risk of suffocation and CO2 rebreathing. The mattress is also 100% washable, from cover to core, making it easy to keep clean and hygienic. It is made without foam, glue, latex, or springs, making it hypoallergenic and non-toxic. The right level of comfort, support, and air circulation means your baby will sleep better on a Newton.

The Serta Perfect Slumber Dual Sided Crib and Toddler Mattress is an excellent choice for parents seeking a non-toxic, hypoallergenic sleeping option for their child. Made from premium, sustainably sourced fiber core, the mattress is GREENGUARD Gold certified and meets or exceeds all flammability, lead, phthalate and CPSIA testing. The waterproof vinyl cover is easy to clean and both sides of the mattress feature a waterproof cover, making it easy to flip when it's time for your baby to move to a toddler bed. With a 7-year warranty, this lightweight mattress is made in the USA and fits standard cribs and toddler beds.

The Newton Baby Crib Mattress is a 2-stage crib mattress designed to support your growing baby, with an innovative Breathe-Thru Technology that allows your baby to breathe right through, reducing the risk of suffocation and CO2 rebreathing. The mattress is also 100% washable from cover to core, making it easy to clean and maintain. It is made without foam, glue, latex or springs, and is the only 100% recyclable crib mattress. The right level of comfort, support and air circulation means your baby will sleep better on a Newton. The mattress is GREENGUARD Gold certified and recommended by pediatricians for your baby's health, safety and development.

This non-toxic crib mattress features no seams, providing a tight fit to standard size cribs and toddler beds. Made of soft and strong high grade memory foam, it offers good support and stability, reducing the risk of physical injury and suffocation. The surface is made of breathable and odorless high-grade velvet. Convenient to use, it can quickly recover and is ready for normal use in 3-5 days. Customer support is available.

The Dream On Me Cozy Cloud Mattress offers dual comfort designed to grow with your child, featuring a firm side perfect for infant support and a softer side for toddler coziness. Made with 75% recycled fiber, this mattress is an eco-friendly choice that maintains its shape and firmness, ensuring lasting support and breathability. Its waterproof cover protects against spills and accidents, making cleanup quick and easy for busy parents. Plus, it’s certified safe by GREENGUARD Gold and the Baby Safety Alliance, giving you peace of mind with a healthier sleep environment for your baby.