Your little boy will be a big hero this Halloween as he proudly wears the Transformers 5 Optimus Prime Classic Child Costume. The forces of good are interwoven within this bluish jumpsuit accompanied with a full character mask. Let your child's imagination run wild in this Halloween disguise, complete from head to toe, as he battles to save earth from the disasters that await. Available in sizes small, medium and large, the Transformers: The Last Knight Optimus Prime Classic child outfit complements our line of Transformers costumes, including Optimus Prime Prestige and Bumblebee Classic! Choose from our complete selection of Transformers: The Last Knight child costumes! Order online now for lightning-fast shipping!