Simmons Beautyrest Classic Mercer Park Plush Mattress Set, Cal King The Beautyrest Classic line features 800 Super Pocketed Coil springs individually wrapped in soft fabric and nestled together by the hundreds Traditional Memory Foam and Premium Foams designed to enhance comfort, conformability, and support Our Classic Mega Coil Edge System features two rows of heavy gauge Pocketed Coil springs for a firm seating edge and an edge-to-edge sleeping surface The 2010 line showcases redesigned BeautyStyle luxury fabrics and aesthetics Durable Triton foundation with Power Beams for greater strength