The Serta iComfort Moonlight Breeze 2-Stage Crib and Toddler Mattress is the perfect choice for when a cool, supportive sleep is your top priority. This premium crib mattress with a plant-based soy foam core features innovative cooling technology that helps prevent overheating for a cooler, deeper sleep. Its Serta exclusive Carbon Fiber Memory Foam promotes airflow with breathable channels and the Cool Touch Cover is made with high performance fibers for a cool-to-the-touch sensation. The Cool Touch Cover also has a waterproof backing to ensure the mattress stays clean and fresh for many years. Designed to accommodate the sleep needs of infants and toddlers, this 2-sided mattress has an infant side with the ideal firmness level newborns need and a toddler side with a layer of memory foam for additional comfort. Fits cribs and toddler beds.