The new Split head version of our best selling Onyx Ice mattress! Enjoy a weightless feel and orthopedic support, with our exclusive Graphene Bounce Foam & Responsive Gel Memory Foam that provides precise body contouring while the removable CoolTouch cover actively regulates temperature. Designed with a 6-inch orthopedic supportive core, the Onyx Ice foam mattress will keep you cool while providing optimal alignment and pressure relief.