He's mad! Mad I tell you! The Adult Scientist Costume features a long brown robe with attached pleather apron. Goggles and gloves complete this insanely awesome outfit. This scientist isn't just mad has evil. He's concocted a potion to help him with his plan to take Halloween. Become an evil mad scientist at your next Halloween party and not hero will be able to stop your villainous plan. The costume fits most men up to Jacket size 44.