Latex is used in several ways in mattresses and bedding. It is commonly used in pillows and mattress pads/toppers. It can be found in cover quilting and comfort layers on innerspring mattresses. Even memory foam mattresses may have a latex layer. Then there are latex mattresses, usually a latex comfort section over a base foam support core. Some latex models also have a latex support core, either (mostly) a high-density and high resiliency latex foam or (seldom) a solid block of...