National Lampoon: Christmas VacationThis National Lampoon Griswold Vacation Ugly Knit Men\'s Christmas T-Shirt, a site exclusive, is a smart addition to any wardrobe. Birthed from the minds of our designers, it features an attention-grabbing graphic on a Navy piece of clothing.(The materials used in this product have been sourced responsibly, so start shopping with confidence.) Pure cottonCompatable with washing machinesPlease refer to the label before tumble-dryingMedium-weight cottonComfortable and loose-fitting, this item is ideal for men and women, no matter your body type. If you\'d like a slightly baggier fit, please order a size up.National Lampoon\'s Christmas Vacation, now widely considered to be a modern Christmas Classic!