POCKETED SPRING & BREATHABLE AND SOFT FABRICS -Engineered with heavier gauge steel independent pocket innersprings for added stability and medium firmness. With soft comfort foam and quilted jacquard cover offer a medium firm feel. The knitted top cover made with fiberglass-free and skin-friendly fabrics adapt to the environment dispersing body heat as well as releasing moisture, keep the mattress surface temperature. Ideal for plus-sized individuals and those who enjoy medium firm mattress. 5-ZONE MOTION ISOLATION-POCKETED SPRING & EDGE SUPPORT - An Independent Coil System base layer encased with Foam Edge Support resists motion transfer from a sleeping partner and promotes customized spinal alignment and joint pain relief. The 5-zone is surrounded by pocketed springs at its edge. The premium tempered steel coils make the mattress bouncy yet supportive, adapt to the size and weight of any body and support the greatest weight of more than 500 lbs. CERTIPUR US CERTIFIED & PRESSURE RELIEVING - Highest quality foam is CertiPUR-US Certified for durability, performance, and content. 2 foam layers for optimal softness and support. Provide cushioning and serve as a protective buffer, relieving painful pressure points on the body. Ideal for stomach sleepers and those who suffer from back and neck pains.