The sleepwalk memory gold mattress features a luxurious 20mm layer of heat sensitive visco memory foam that moulds itself to your body contours at the heart of the mattress is the airsprung supercoil spring unit offering a firmer level of support the spring unit and comfy layers of polyester fillings are topped with an attractive soft knit cover the memory gold mattress has the added benefit of being rolled for easy transportation this mattress is designed without the need to turn however