These are officially licensed Marvel Avengers pajama pants! The Avengers are the popular superhero team from Marvel Comics. If you're a fan of Marvel Comics or the Avengers in general, you'll love these high-quality pajama pants! It features a red and black plaid fabric pattern with a large design of some it's more famous members such as Iron Man, The Hulk, Captain America, Thor Hawkeye, and Black Widow. The design is done in distressed style print. They are made of a soft 100% polyester fabric For questions regarding sizing, please refer to size chart.