This one-piece pajama set is an Marvel product!! If you're a fan of Marvel Comics and especially holiday style comic designs, you're going to love this Avenger merchandise!. This vintage character union suit feature an allover ugly sweater design that incorporates 3 of the most popular Marvel heroes face designs, Captain America, Iron Man, and Spiderman with the classic holiday ugly sweater designs like the Christmas Trees and snowflakes. This is a one-of-a-kind product any Marvel fan is sure to love!! It has a full-zip design with contrasting red sleeve and ankle cuffs. It is made of an ultra-soft, smooth 100% polyester fabric. Listed in Men's sizing but will fit women great who are looking for a looser fit. The model in this photo is 6'4" and is wearing a size L/XL. These are the best!