As early as the 16th century, ordinary people in Europe made "felt shoes" similar to canvas shoes. In the 19th century, many ordinary people in Europe have begun to wear canvas shoes. But natural rubber has its own characteristics. It is too soft in hot weather, and it is easy to crack when it is hard in cold weather.
Modern canvas rubber-soled shoes are created by industrialized mass production. American inventor Goodyear, in 1839, together with many technicians and master workers, jointly created a "rubber vulcanization process" to harden natural rubber, which made canvas shoes more affordable and more affordable and more common. Affordable.
