National Lampoon's Christmas Vacation Griswold Family Xmas Mens Hoodie 100% Cotton Machine washable. "Preshrunk" makes the fabric less likely to shrink, but it doesn't mean it won't shrink again, so dry low or air dry. "Dad, did you bring a saw" Wear this hilarious National Lampoon's image any time of year The perfect shirt to wear during your annual tree hunt Made from warm and comfortable cotton-polyester blend A shirt any fan of the movie will love