Traditionally quilted with a knitted soft touch fabric the Calypso features the RespaTech Ortho spring system 12.5 gauges offering superb comfort and support. With an overall medium - soft rating measuring 29cm in height. Edge to edge support frames adds to the overall structure and durability of the mattress. This is a non-turn mattress. (Fabric Malta, Cream) (Soft Furnishings, Bedeck 1951)