Josuke is a young, physically fit man of above-average height.
He wears a tasseled "Dixie cup" sailor cap (in multiple illustrations, it is adorned with the same palm insignia as Jotaro Kujo's hat). He wears a sailor suit, cut with a wide neck and above the navel, a neckerchief with a button resembling a slotted screw head, large emblems of an anchor on his right side and a compass rose on his left, fitted pants with a belt, and a pair of high-top athletic shoes.