Made from soft, breathable fabric, these pajama pants offer a comfortable blend of polyester, cotton, and spandex. Show how much of a fan you are with these pajama pants. They feature the NASA meatball logo. Wash cold and low-tumble to maintain the vibrant print of the pajama pants. Do not iron. Do not bleach. These pajama pants feature a tie waist and two pockets. The pants are also a jogger style, with cuffed ankles.