Sealy Optimum 12" Elite Courage Queen Mattress Only Comfort layers: 2" Opticool Gel Memory foam fused with OUTLAST Gold is 12 times more effective at removing excess heat. 3" OptiSense Gel Memory Foam conforms to your body to create the feeling that the mattress was made just for you. Quilting Layers: Isofresh scent guard to reduce or elminate unwanted foam orders Support system: Exclusive CoreSupport Center provides additional support in the center third of the mattress to maximize lumbar support. 7" proprietary gel OptiCore provides essential deep-down support.