Featuring advanced bedding technology exclusive to Serta, the Luxe Grandmere 14"" Plush Pillow Top Mattress offers an exceptionally comfortable sleep surface. Starting from the top, a plush pillow top delivers a cushioned feel while offering a degree of support. Layers of memory foam complement the 825 Edition Support Coil System, maximizing both comfort and support. Enhancing this are a combination of cutting-edge memory foams that work together to deliver extra support, while Cool Twist Gel Memory Foam promotes airflow and heat dissipation, providing a cooler sleep surface.