Get the best of both worlds with this California king pillow top mattress. The pillow top layer offers a plush surface to offset the lower firm foam layers. Three different layers of high-density foam surround a layer of pure luxury firm latex for the ultimate in structured support. Includes power packed 15-gauge wrapped steel coils for reinforced structural support where you need it most. Plus 2 perimeter rows of 13-gauge wrapped coils offer edge support for a larger sleep surface and better overall support. Foundationbox spring available sold separately.