King Size Memory Foam Mattress CoolingGel CertipurUSSleep cooler, wake refreshed: a king size memory foam mattress crafted for peaceful nights and lasting comfort. This memory foam mattress adapts to your bodys curves, easing pressure points and delivering dependable support across the entire king bed. Engineered with cooling technology, this three layer memory foam mattress blends a cooling gel foam top with a breathable middle layer and a solid base to help regulate temperature while you sleep.