"The National Lampoon's Vacation" is a series of films that follow the hilarious Griswold family! "The Christmas Vacation" was no different! There are so many classic scenes and items from the film like the glass Moose Mug, Clark bringing home a Christmas tree that just happens to have a voracious Squirrel in it, and so much more! This National Lampoon's Christmas Vacation union suit is for showing off how much of a fan you are! It features several of the s from the movie, including the glass Moose Mug, the Christmas tree with the squirrel hanging off the back, and Santa's sleigh. The movie film's logo is also featured. It is made of an ultra-soft 100% polyester fabric blend for a lightweight feel and comfortable wear. These are the best!