Made from flame resistant, 100% Polyester, these blanket sleepers for Infant and juvenile sized boys are perfect for the youngest Superman fan! These Superman footie pajamas feature the Superman shield symbol and an illustrated utility belt! These Superman one piece footie pajamas also feature knit cuffs, a concealed zipper, elasticized ankles and rubberized gripper bottoms.  These babies are also machine washable, very easy to care for and extremely helpful while teaching your wee-one the benefits of defying gravity!  Uh...don't take take that literally.   It's....if we're pretending your child is a baby Superman and...Put the child down now, please.