Celebrate the early days of Batman with these comfy sleep pants. The graphic design on the pant leg displays classic artwork along with comic book sound effects. Wear these pajamas loose around the waist and tighten them up with the adjustable drawstring. The soft cotton-blend fabric allows you to get comfortable on the couch while you read through old Batman comics. Superhero sleepwear will always be popular which makes these PJs the perfect addition to your collection of pajamas.