When you need your space, put on these men's comfy black graphic sleep pants! The astronaut apparel sleep pants feature a big, colorful graphic that has been professionally printed to ensure long-lasting print quality. The NASA fan apparel loungewear is space black, and includes a drawstring waistband for maximum comfort and functionality. The sleep pants 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 classic logo sleep pants are an officially licensed product, and make a perfect gift for fans of NASA.