 In 1919, it renamed itself as the International Union of Boot and Shoe Operatives, Leather, Skin and Hide Workers.In 1921, the International Federations of Saddlers' Unions and the International Union of Leather Workers merged in, and the federation became the "International Federation of Boot and Shoe Operatives and Leather Workers".By 1925, it had 26 affiliates, with a total of 357,504 members.