Marvel Captain America Shield Neon Light Girls Tanks Darkness and evil don't stand a chance against the Marvel Captain America Shield Neon Light Heather Black Racerback Tank Top. Light up the night with this fun black Captain America tank top that features Captain America's shield printed in the style of a neon light. 50% Polyester, 25% Cotton, 25% Rayon. Designed with raw-edge hems. *SHIRT DOES NOT LIGHT UP OR GLOW.