Keigo is a man of average height with a slim and narrow build. He has feathery, ash blond hair that is swept messily backward, with some of the front tufts sticking up in arcs above his head. His eyebrows are notably thick, having a similar texture as his hair, and he has faint stubble on his chin. Hawks hero costume resembles that of an aviator's uniform, it is yellow in color and lined with white fur. He wears a black top underneath which has a golden pattern, along with a yellow-tinted visor.