These are Marvel Captain America pajama pants! Captain America the recipient of the Super-Soldier serum, World War II hero Steve Rogers fights for the American ideals as one of the mightiest heroes and the leader of the Avengers. If you're a fan of Marvel Comics or Captain America in general, you'll love these top-notch pajama pants! They feature a detailed all-over the Captain America shield and name on the left leg, over a plaid black, blue, and red fabric. They are made of a soft cotton fabric blend. For questions regarding sizing, please refer to size chart. These are the best!