Surf's up! Ride one last wave before summer ends in our Teen Beach Movie Mack Child Costume. Based on the sweet McKenzie in Teen Beach Movie, this Mack Costume for girls features a printed red cropped top and an attached black faux leather jacket with a houndstooth lapel and a pair of faux leather leggings. Perfect for Halloween, this Teen Beach Movie costume is also great for plays, 50s themed costume parties, and Teen Beach Movie viewing parties.