Our Coil Sprung Hybrid Memory Foam Mattress is a fantastic value for money 18cm deep mattress. Featuring a quilted sleep surface, layer of British Manufactured Memory Foam and Recycled Polyester comfort layer, it is a quality mattress at a great price. At the core of this mattress is our German Engineered 13.5 Gauge insulated spring system. This spring system is designed to give the user the best possible support from each individual coil. Sitting on top of the spring unit is our recycled polyester comfort layer and memory foam layer. It is topped with our in house designed quilted CoolTouch sleep surface.