Copper Infused Memory Foam COOLING & MOISTURE RESISTANT - A topper that works harder and smarter, thanks to our copper-infused foam, which is highly conductive to reduce excess body heat, dispelling excess moisture SOFTNESS & SUPPORT - Topper features copper-infused memory foam and a contoured airflow design, for softness, support and cool comfort designed to sit right beneath your regular fitted sheet; cradles pressure points to deliver customized support