Luxurious breathable cover. The unique sleep surface adds an extra layer of comfort to ensure deep and peaceful sleep. The luxury firm mattress is the best suited to those who sleep on their front or back. Sleeping on your back is the optimum position for keeping your spine aligned properly. It’s the most natural position and prevents any unhealthy twisting. However, you need more support for your whole body when sleeping in these positions. This is where your luxury firm mattress comes in. With a top comfort layer made from specially developed extra soft memory foam material, the soft side offers instant relaxation and body molding properties, to give you a great night's sleep.