The sleepshaper original 25 mattress comprises 3cm of body soft touch memory foam on top of a further 8cm of hd memory foam on a 14cm support foam base this combination is perfect for those who require the benefits of memory foam in an affordable packagethis mattress also features a quilted outlast adaptive comfort cover which is removable and machine washable outlast is a patented technology discovered by nasa and used in space to control extreme temperature fluctuations experienced by a