Best Price Mattress 7-Inch Gel Memory Foam Mattress, Full Sleep cool layering system-1" Gel Memory foam, 2" of Pressure Relief Foam Base support layer of 4" high density foam to provide long lasting durability and stability The comfort is balanced with refreshing gel, it provides you with coolness and ultimate support Gel is an open cell memory foam with thousands of gel beads for better air flow movement Our Pressure Relief system will provide total relaxation, while having the ultimate support in key body parts; head, shoulders and hips