Delve deep into the Transformers mythology this Halloween with the Transformers 3 representation of Autobot hero Optimus Prime. The Boys Muscle Transformers 3 Optimus Prime Costume includes a one-piece suit, colorfully printed with purple and red machinery and flames because you'll certainly be burning rubber. A fierce looking gray and blue helmet mask is also included. While he may have the compassion of a human, this costume shows that Optimus Prime is truly robotic. When he's not transforming into a Peterbilt 39 Truck, Optimus Prime acts as the leader of the Autobots who assist US military in global conflict. Waging a never ending war with rivals and counterparts the Decepticons, the Autobots are up for constant challenge. Hailing from the planet Cybertron, Optimus Prime is dedicated to saving planet Earth so humans don't have to. Play a hero this Halloween and pick up for Optimus Prime costume today.