The top-half of Registeel's body is spherical and grey with a black stripe running down where its "face" is. Its face consists of seven dots in a hexagon formation. It has black arms with three fingers each and cylindrical legs. While Registeel has been classified as a Steel-type Pokémon, its body is actually made of a material that is harder than any known metal on this planet. Registeel's body has also shown some flexibility as well.