Ecchu fundoshi existed in the Edo period, and they were used by retired samurai (warriors), as well as people who were not engaged in physical labor, such as medical doctors, Shinto priests, Buddhist monks, men of culture and merchants.
江戸時代にも存在していて、隠居した武士、肉体労働を伴わない医者や神職、僧侶、文化人、商人の間で用いられていた。