That whistle that nightmarish whistle and that red tracksuit! Sue Sylvester is the Wicked Witch of William McKinley High School, so when you walk into the Halloween party, don't be surprised to see all your friends scream and run away. This Glee Sue Sylvester teen Halloween costume comes with red triple-striped jacket and pants and a blonde wig. Care: 100% polyester. Machine wash cool, no bleach, line dry, cool iron. Available in teen standard size.