Ultra Luxury Firm Tight Top with Memory Foam King Mattress Sofa Type_Reclining birch veneer and engineered wood birch veneer and engineered wood with layers including refreshing green tea foam and response memory foam that support and contour to your body You get the best of both worlds with this hybrid innerspring mattress: the pressure relief of cooling gel infused memory foam 1" base support foam Pocketed coils Hyper cool luxury 4 way knit cover Flame retardant polyester comfort fiber Adjustable base compatible 10 year non prorated warranty Note: Purchasing mattress and foundation from two different brands can void warranty