The Silentnight Miracoil Cushion Top mattress includes a zoned Miracoil spring unit, helping to spread weight evenly across the bed, providing zoned support to relieve pressure where body weight is greatest, and perfect spinal alignment. The springs aid no roll together, resulting in less partner disturbance, and provide edge to edge support for maximum sleep space. Complete with a cushion top comfort layer of foam fillings for extra comfort. This mattress provides a medium firm support feel. Easycare mattress - no need to turn.