With a referee like yourself controlling the game and administering any necessary rules, everyone is sure to follow the them and play fairly. Introducing the Sexy Referee Shirt Costume for Women. Whether it's a football game, a basketball game, or any other sports themed event, attend the game as the referee and keep order among the players. They definitely wouldn't want to disappoint you! Who knows? Maybe some of the players will purposely try to break the rules just so that they could get your attention? And who can blame them, honestly?! This costume is ideal for many different costume parties, including Halloween. That way, you're always part of the big game! To for a more realistic and authentic look, you can upgrade this costume with some props that are used during games. For example, if it's a soccer game, carry yellow and red cards with you. Or, if it's any other game, carry a whistle with you!