Love a plush pillowy feel but need a higher level of support Look no further than this plush California king mattress Five different levels of highdensity foamincluding plush pressurerelieving foam and gel memory foam for temperature regulationwork in concert to provide the ideal balance of comfort and support Rest assured a power packed wrapped steel unit offers reinforced structural support where you need it most while 13gauge wrapped coils provide edge support for a larger sleep surface and supportive sitting surface Foundationbox spring available sold separately