Join the Autobots in the fight against the Decepticions this Halloween in this officially licensed Optimus Prime Muscle Suit Costume. Have one of the coolest looking Transformers costumes at the costume party in this sweet muscle suit that includes an Optimus Prime mask that will have you looking just like your favorite character. The Decepticons will have no chance against you and your Transformers army in this Optimus Prime costume this Halloween.