Elf Christmas Size M Will Ferrell Santa I Know Him Knit Sweater This product is a men's size M green knit sweater featuring a Christmas theme inspired by the movie "Elf." The sweater has a crew neck and pullover style, making it a festive and cozy addition to any holiday wardrobe. Made from knit fabric, this sweater is perfect for showing off your love for the holiday season and the classic movie.