Product Detail: Introducing our Griswold Family Christmas Sweatshirt, National Lampoon Christmas Sweater, Christmas Movie Quote Sweatshirt, Griswold Vacation Unisex Sweatshirt (Gildan 18000) - 50% cotton, 50% polyester - Medium-heavy fabric (8.0 oz/yd² (271.25 g/m²)) - Size available: S, M, L, XL, 2XL, 3XL We use the direct to garment printing technique for a vibrant and long-lasting print. For more information, please feel free to contact us.