Appearance Zenitsu is a young guy with fair skin. He has golden-brown eyes, which are most often downcast, and short yellow hair of varying lengths, which turn orange at the tips. Before becoming a fighter, his hair was black. He wears a lighter brown version of the standard Demon Slayer uniform. He wears a yellow-orange haori with a pattern of white triangles on top of his uniform. He puts on a pair of khakhans on his feet, which are tied with white bows. The pattern on them corresponds to the pattern on his haori.