This costume corresponds to the clothing of kachie (a mobile costume with bane, pictures of animals, printed on its outerwear's chests) designed for junior class military officers called zuijin (literally, "people from Chinese dynasty of Sui").
随人という下級武官の衣装の褐衣（かちえ/胸に蛮絵を墨で描いた動きやすい装束）に準じる。