Ergopedic Mattress 5 Zone Latex Pocket Spring Mattress In A Box 30cm - King - White Grey BlackExperience cloud like support and comfort with the Ergopedic Pocket Spring Mattress! The mattresses lower five zone pocket spring design targets the five most important areas of the body, feet, knees, lower back, head and the shoulders. This unique pocket spring design provides both pressure relief and support by conforming to these essential five contours of the body. The pocket spring design also ensures zero partner disturbance by minimizing motion