Choose from the available size options. Pillow top memory foam and innerspring mattress. 16.5 in. thick hybrid mattress. ActivPur and gel-infused memory foam layers. Pocketed coils and BackCare 3X with microcoils. Optional box spring in choice of available sizes, heights. 10-year manufacturer's warranty. Transform your bed into a sleeping oasis with the Beautyrest Platinum Haven Pines 16.5 in. Luxury Firm Pillow Top Mattress. This firm pillow top mattress offers the best of both worlds. You get cooling, pressure relief from memory foam layers plus the support and motion control of individually wrapped springs. This firm pillow top mattress has layers of antimicrobial and cooling memory foam combined with Beautyrest pocketed coil technology and BackCare 3X, which is engineered with 2,000 additional pressure relieving microcoils. It comes in your choice of available size. Make the mattress complete by adding the optional box spring foundation. It's offered in a choice of available sizes and heights. Size: California King.