Ortho Cool Memory 2000. 2000 pocket springs move independently to support your body, providing a great foundation whilst 100mm of high density memory foam molds to the contours of the body to ensure the body is completely supported. The strengthened Bulldog Border keeps the sides of the mattress from sagging and delivers support right to the edge of the bed. And buy this Ortho Cool Memory 2000 Was £749.00 Now £699.00.