Fine horse leather is known as Cordovan. A special tanning process based on the use of plant extracts that lasts for a six-month period (invented in Chicago a century ago) is still used today to create excellent quality. Only a small part of the horse-skin is adequate for making shoes: the strongest surface of the rear provides leather for only one pair of shoes. Because of its silky shining surface and its easy handling the Cordovan is the most exclusive leather for all classic models: with or without decorations, in one colour or in colour combinations it provides an exclusive elegance for its wearer. With proper care, a shoe made of Cordovan with time becomes more and more mature, both in colour and texture.