Designed specifically for kids, the iComfort Blue Night 90 lulls even the most restless sleepers to sleep with its cool, supportive feel. Featuring TempActiv technology, this mattress's premium gel memory foam is infused with cooling beads to help absorb and dissipate excess heat while conforming to each sleeper's unique body shape for customized support. Layers of EverCool Fuze gel foam and EverCool Fuze gel memory foam gently conform to your child's body while promoting air flow to maintain an ideal sleep temperature. 10 Year Limited Warranty.