Kid-friendly knitted stretch fabric features cooling performance yarns engineered for a comfortable night's sleep. Gel-infused quilted foam is soft to the touch, cradles the body, and helps keep the sleep surface cool. Active-Z copper-infused latex layer naturally conforms to relieve unique pressure points and provides long lasting support. Advanced support system offers individually wrapped coils that adapt to body movements and provide targeted support where it's needed most.Solid edge system delivers superior performance, additional sleep surface, and overall mattress stability with edge-to-edge foam encasement.