Mattress Details Custom-Milled Fabrics and Quality Covers Custom-milled fabrics chosen for durability and comfort Dual quilted layers create cradling comfort, added pressure relief, and improved durability EssentialGel Foam Responsive feel and pressure-relieving comfort SupportSense Foam Delivers a comfortable sleep surface with firm support long-lasting and resistant body impressions SupportSense Silhouette Foam Delivers a comfortable supportive sleep surface all-night with firm support Rolling peaks & valleys contour to the body-for pressure relief, improved spinal alignment and breathability for perfect temperature Works with other mattress layers to distribute weight more evenly as you move, reducing partner disturbance Advanced IsoCore Support System with Edge Zoning Unique design ergonomically supports the body and reduces partner disturbance with zones edge support for better stability and consistency Open design ensures airflow, breathability and efficient heat transfer Always CertiPUR-US® Certified Foams Certified foams made with out harmful chemicals