------------------------------------How has the shoe industry changed over the years? -----------------------
The Shoe Industry has come a long way. Before, way back when, they used to make the shoes from leather and other materials, yet generally staying with those set materials. Nowadays, the Shoe Industry uses a variation of Materials, like Polyurethane, Nylon, plastics, leather, rubbers, etc. Also, the technology put into our footwear has increased so much. It used to be just a general sole, with the rest of the body of the shoe. But now, we have shock absorbers, inserts for our specific types of feet, you name it.
Source: Woodpecker, Harwood E. "How Sports Shoes Have Evolved Over The Years."How Sports Shoes Have Evolved Over The Years. Street Directory, 14 Apr. 2014. Web. 02 Dec. 2014.