Ice Cooling Memory Foam Mattress Toppers: A mattress topper made of ice-cooled memory foam uses cutting-edge cooling technology to provide a very pleasant and comfortable resting environment. To provide a cool sleeping surface, these toppers combine cooling gel-infused memory foam with other cooling systems. Ice-cooled memory foam toppers provide a restorative sleeping environment for those who prefer a cooler night's sleep by actively reducing heat retention and enhancing ventilation.​