Our revolutionary Cool Action™ Gel Memory Foam material inspired an entirely new category of sleep systems. This material was developed after years of careful study and refinement of existing memory foam products, including the original NASA-inspired memory foam technology. We then improved this with our Cool Action™ Dual Effects® material, which combines our original MicroSupport® gel with our breakthrough MicroCool+ gel in a foam with up to 25% more gel than our original Cool Action™ material. Our material represents a new science in memory foam, re-engineered from the bottom up for excellent comfort, support, temperature regulation, and durability.