 Complete the following phrase:  Poromerics are made from a plastic coating usually a polyurethane on a fibrous base layer typically a polyester. The term poromeric was coined by DuPont as a derivative of the terms porous and polymeric. The first poromeric material was DuPonts Corfam, introduced in 1963 at the Chicago Shoe Show. Corfam was the centerpiece of the DuPont pavilion at the 