This Simmons Beautyrest Classic features an 800 Pocketed Coil® unit that gives superior support with unique Pocketed Coil® springs that provide unsurpassed motion separation while conforming to your body's unique shape. Two rows of Classic Edge Support springs provide a firmer, more comfortable seating edge. Edge Clips at the head and foot of the bed also provide added support. The durable design of the Simmons Triton® Foundation supports up to 2,000 pounds of pressure. The Beautyrest Classic offers a Level 1 MSI. . The pillow top feature offers more plush and durable foams to help relieve pressure points. Visco Memory Foam conforms to your body giving exceptional pressure relieving support and maximum comfort.