Super Mario Kart Hats: Mario, Luigi, Wario Caps for Halloween Costumes: Unisex Cosplay (3 Pack). Have your very own Mario Party. Dress up in these fun cosplay costumes with your friends and pretend you're playing Mario Kart. These adult inspired caps will complete your Halloween costume. Available in Mario, Luigi, Wario, Waluigi and Fire Mario in a variety of combinations.