“Transformers...Robots in disguise”. This officially licensed kids sized Transformers "Dark of the Moon" t-shirt features Optimus Prime in action, as he protects earth against the evil Decepticons. This black, standard fit shirt is made from 100% cotton. Be sure to check out our Size Chart to get an idea of the average size and dimensions of this Optimus Prime Dark of the Moon tshirt style. Check back often for some of our new Transformers clothing and other Transformers Merchandise at great prices only at AnimationShops.com.