Simmons Beautyrest Black Natasha Plush Pillow-top King-size Mattress Set Comfort padding layer includes 1'' Comfort Foam, 3'' Dynamic Response Memory Foam, 1'' BlackIce Memory Foam, 0.5'' Comfort Response Latex Micro Diamond Memory Foam This foam utilizes the conductive properties of diamond particles which are designed to move heat away from the body. Mattress Set, includes low profile height foundation. Quilt layer includes SurfaceCoolPlus Fiber, 1.25'' Comfort Foam 360 degree 3'' foam encased edge support system