Now how to describe the softness of memory foams, well a very specific description of it is that when you Synagen IQ press your hands on it, then remove it, you will see a perfect impression of the same hand. This is the reason why it?s called memory foam, it memorizes form.emory foam is made from polyurethane with additional chemicals that add to its viscosity level, thereby increasing its density. http://www.healthsupreviews.com/synagen-iq/