They are made of 100% polyester
These are AC/DC lounge pants
or you can be safe and buy two
The pajama pants contain an elastic waistband that fits every fan
Star Wars Womens' Darth Vader Costume Fitted Nightgown Sleep Pajama Dress Color:Black They are made of 100%Star Wars is the ultimate saga of good vs. evil! It pits the Darkside vs. The Force, two sides of legendary power in the very fabric of reality! Star Wars has many incredible characters like Darth Vader, Luke Skywalker, Yoda, Han Solo, Chewbacca, our furry friends, the Ewoks, and many more! This dress features the classic design of the fan favorite villain, Darth Vader, in a costume style, with a printed design of his belt, chestpad, and lightsaber.