Marvel Iron Man Train Like a Machine Girls Tanks It's time to step up and be the superhero you know you can be with the Marvel Iron Man Train Like a Machine Heather Red Racerback Tank Top. Iron Man is front and center on this soft red Marvel tank top with "Train Like A Machine" written in distressed yellow print around him. 50% Polyester, 25% Cotton, 25% Rayon. Designed with raw-edge hems.