This pocket spring mattress with memory foam combines the latest orthopedic technologies to help your body unwind at the end of a long day. The core of the mattress features a 3-zoned pocket spring layer, which gives the mattress just the right amount of firmness and bounce. Meanwhile, our exclusive 5-zoned Certified Orthopedic Support, which has been certified by the National Health Academy, offers specialized support to each of the five zones of your body, resulting in the correct alignment of your spine. The memory foam layer on the surface is blissfully soft; it also features NASA-certified Heat Absorption Technology, which prevents temperature fluctuations and keeps your body consistently cool