Traditional Hakama Japanese Sale for Akido, Kendo, Ninjutsu. Japanese Hakama is a traditional garment that resembles a large skirt-skirt skirt. Hakama is used in many traditional Martial Arts such as Aikido, Kendo, Iaido, Ninjutsu and so on. It may be of various colors depending on the Martial discipline practiced. Traditionally, Aikido uses Hakama in black color, Kendo in blue color but also depends on the practice school.