12 Inch Ashley Hybrid Mattress SetWith the Hybrid 1200 California king mattress and adjustable base set, you have endless possibilities for restful sleep. Feel the support of a truly traditional coil mattress which contours to your body for a comforting feel. High density foam provides the firmness you love. Gel memory foam provides restorative support for your lower back. By pairing the mattress with the power base's adjustable head and foot positioning, you can get the sleep youve