The Right Rest. The 800 series Beautyrest® Pocketed Coil® springs in the Justine Plush mattress collection provide conforming back support, adjusting to your unique figure in all the right places. SurfaceCool™ Fiber dissipates heat away from the surface, helping you achieve and maintain your ideal sleep temperature for optimum rest. Gel Touch® Foam provides exceptional surface contouring, cushioning and conformability. AirCool® BeautyEdge™ Foam Encasement enhances airflow through the mattress and offers support and stability to the edge. Triton® Foundation offers superior durability and reduced motion to keep disruption by movement on mute. Set includes California King mattress and split foundation.