Lumex Lightest Foam/Gel Overlay, 36"x 80"x 3"Description of the Lumex Lightest Foam Gel Overlay 36"x 80"x 3" A new standard in pressure management Extremely light weight for easy handling Mattress overlay incorporates a Solid Gel patterned layer that is inherently visco elastic. It works in responding to pressure by deforming slightly, thereby dispersing critical weight over a large surface area Non migrating gel is engineered into a high density 2" solid foam base with a specially designed 1"