The National Lampoon's Vacations films that follow the hilarious Griswald family have always been fun comedies! The Christmas Vacation was no different! This pajama pant features a great repeat Fair Isle pattern of movie-inspired designs like the glass Moose Mug, Clark's Station wagon bringing home the Christmas Tree, the infamous Squirrel brought home with that tree, and many other holiday patterns! If you're a fan of this great holiday movie, then these are THE National Lampoon's Christmas Vacation pajama pants for you! It has a fat-lace drawstring closure, a button-closure fly with cover flap, and 2 hand-deep side pockets. It is made of ultra-smooth and comfy 100% polyester fabric. These are the best!