Optimus Prime Costume, Muscle Transformer Costumes For Boys, Padded Character Jumpsuit, Kids Size Extra Small (3T-4T)Become the leader of the Autobots and fight along side the Maximals in this Optimus Prime T7 Movie Classic Muscle costume! This super cool costume features a fully printed muscle jumpsuit, dimensional felt shoulder pieces. It also comes with a It also comes with a mask with metallic detailing throughout to complete the full Autobot look! ABOUT DISGUISEDisguise is a leader in the Halloween industry creating innovative and trend setting costumes and