I've been in the mattress industry 22+ years and make the finest mattresses available in America. Most mattresses are made of polyurethane foam, which is plastic, and all plastic foam mattresses soften and body impress substantially and quickly with use. Sadly, this is the number one material used in virtually all mattresses today. Each and every company that makes mattresses with plastic foam exclude softening and body impressions from coverage under their warranties so they are basically telling consumers what will go wrong with their mattresses, but sadly too few consumers read the fine print of a warranty. We make our mattresses out of the most comfortable and most durable material known to exist and that is latex foam rubber. Latex is the sap of a rubber tree and we use only certi...