Memory foam mattress is constructed from polyurethane polyurethane foam which is made out of Only two crucial parts: A single) Memory Foam (best covering) is situated towards the top covering adjacent to our bodies so as to feeling pressure and contours of one's physique. The particular foam could be the essential component that gives memory foam mattress its unique "feel.Inches Only two) Under the Space-age foam is a layer involving Large Density Froth. The position in the Large Denseness Froth is always to provide structural assistance.