The uniform used in Jiu Jitsu competitions is known as Jiu Jitsu Gi or Kimono. By using a heavy jacket and reinforced trousers, this uniform is put together. This uniform has been adapted from the standard Japanese martial arts uniform. A mandatory part of the uniform is a cloth belt, which also gives out the rank of the wearer. Kimono Jiu Jitsu Gi is the name for the complete outfit or the jacket only. In international championships, the colors allowed are Black, blue, and white.