This Nectar Premier Copper mattress by Nectar Sleep features a Cooling Action Copper-Blend cover that quickly wicks away heat and delivers a cool-to-the-touch sensation, Gel Memory Foam with Surface-infused PCM that offers pressure relief and contouring comfort, a layer of Dynamic Response Support to provide support for the body along with crucial rebound and bounce, and Stabilizing Base layer to give a stable, supportive foundation. This mattress will bring all the support and comfort that you need to get a good night's sleep.