Simmons BeautyRest Black Series Calista Extra Firm

CONFORMING BACK SUPPORT Advanced Pocketed Coil Technology Helps deliver exceptional conforming back support and pressure relief. COMFORT AND PRESSURE RELIEF Micro Diamond Memory Foam Works with our Pocketed Coil Technology to create our best conforming back support. Micro diamonds in the foam work to conduct heat away from the body to prevent overheating. TEMPERATURE MANAGEMENT SurfaceCool Plus Fiber Located at the surface of the bed this layer of vertically oriented fibers is designed to dissipate body heat away from the sleeping surface.