Sleep around with your favorite superhero with these The Flash youth black Sweatpants. The Flash character Sweatpants feature a big, colorful graphic that has been professionally printed to ensure long-lasting print quality. The Justice League fan apparel Sleepwear is classic black, and includes an elastic waistband for maximum comfort and functionality. The Flash Sweatpants are made of 60% cotton and 40% Polyester. They can be machine washed in cold water with like colors, then tumble dried for easy care. The Flash Sweatpants are an officially licensed product, and make a perfect gift for a fan of DC Comics and The Justice League.