1. Durable Support for Growing Bodies: A supportive mattress helps keep a child’s spine aligned throughout the night. Look for a stable support core that prevents excessive sinking while still providing enough cushioning for comfort. 2. Choose a Balanced Firmness: Kids generally need a mattress that feels supportive without being uncomfortably hard. Depending on your child’s body type, a balanced medium-firm feel can provide cozy cushioning while maintaining a stable sleep surface. 3. Pay Attention to Materials and Certifications: Material quality can be especially important when shopping for a child’s mattress. Look for recognized third-party certifications and clear information about the materials used inside the bed. For example, the best mattresses for kids are fiberglass-free. 4. Consider Temperature Regulation: Kids can sleep hot, so breathable and heat-dissipating materials can help create a more comfortable sleep environment. Look for breathable covers, cooling foams, or hybrid construction that allows air to move through the mattress. 5. Match the Mattress to the Bed Frame: Mattress height matters when furnishing kids’ rooms. A standard kids mattress works well for most traditional bed frames, while bunk beds and trundle beds may require a lower-profile mattress.

So, What Is the Best Mattress for Kids?

Our Top Pick: Bear Cub Kids Mattress

For everyday sleep, we recommend the Bear Cub Kids Mattress as our best overall mattress for kids. Its medium-firm hybrid construction combines cooling gel memory foam with individually wrapped coils to provide the balanced cushioning and support growing sleepers need. It is also GREENGUARD Gold Certified, uses CertiPUR-US® certified foams, and is made without fiberglass.

For trundle beds and other spaces that require a thinner mattress, the Bear Trundle Mattress is our low-profile option. Its 5-inch all-foam construction provides cooling comfort and support while fitting spaces where a traditional mattress may be too tall.