Judo practitioners traditionally wear white uniforms called keikogi (keikogi) practice clothing or judogi (judo clothing).sometimes abbreviated in the west as "gi". It comprises a heavy cotton kimono-like jacket called an uwagi (jacket), similar to traditional hanten (workers jackets) fastened by an obi (belt), coloured to indicate rank, and cotton draw-string zubon (trousers).Early examples of keikogi had short sleeves and trouser legs and the modern long-sleeved judogi was adopted in 1906.