Marvel Black Widow Red Circle Girls Tanks Once she encircles her prey, no one can escape the Marvel Black Widow Red Circle Heather Black Racerback Tank Top. This soft black top has a graphic of the superhero, Black Widow, crouching inside a red circle with the outline of lit-up skyscrapers at night behind her. 50% Polyester, 25% Cotton, 25% Rayon. Designed with raw-edge hems.