This mattress features the trusted motion-reducing encased coils and targeted memory foam support of similar Posturepedic Spring mattresses with an ultra firm feel. A reinforced edge improves durability, while cover treatments help to keep you cool and the mattress protected. Our innerspring mattresses offer exceptional full-body support with ease of movement for a responsive, sleep-on-top-of-the-mattress feeling. Sealy's coil design promotes proper alignment and supports you while you sleep, so you can wake up ready to take on the day. Please note, quantity 2 of the 52958732 PPS5 Engelmann 14 in. Ultra Firm Foam California Twin will be required for a Split California King application. Color: Gray.