Form fitting. Sparklies. Cape. BAM! Do I really need to write any more about the awesome 95% cotton 5% spandex Batgirl Women's Caped Sleep Tank Dress? Okay, let me break this down one more time for you. The Batgirl Women's Caped Sleep Tank Dress is a soft black tank top that displays the famous Bat-symbol in sequins with a yellow 100% polyester cape that is attached via buttons on the shoulders. It isn't exactly practical for bringing justice to Gotham, but it should add some much needed order to that bedroom of yours.