RECYCLED PRODUCT REQUEST - Manufacturers Description - A top layer of high density, temperature-sensitive, memory foam conforms to the body's shape, working in combination with the higher resistance support layer to disperse pressure evenly. The top layer also incorporates a special immersion, slow recovery foam foot zone for the ulcer prone heel area. The core layer and edges provide form, strength, and stability. Standard model suitable for users up to 220 kilograms; King Single up to 250 kilograms.