Cordovan Shell is a type of leather that is occasionally used in the manufacture of high-end footwear. Unlike other leathers, it is an equine leather made from the flat fibrous connective tissue underneath the skin on the horse's rump, i.e. the good part is the part of the skin that is... Cordovan Shell is a type of leather that is occasionally used in the manufacture of high-end footwear. Unlike other leathers, it is an equine leather made from the flat fibrous connective tissue underneath the skin on the horse's rump, i.e. the good part is the part of the skin that is...