Costumes Canada has partnered with some of the best vendors of Halloween outfits online to bring you the best-fitting, affordable Transformer costumes that can be had on the net. Costumes Canada has put together sets of costumes for you from every Transformers movie made including Transformers Optimus Prime and Transformers Dark of the Moon. Our partners Transformers Dark of the Moon costumes come in many different styles including very sexy gold and silver Adult costumes for women who want to look as sexy as they can on Halloween. There are also Bumblee one-piece lycra plastic for Men and Boys and more demure vinyl outfits for little girls. There is also a wide variety of Optimus Primus costumes on here for toddlers to men in the classic red purple and blue color scheme. Our partners also sell accessories such as gloves and ray guns to help make your Transformers costume seem as realistic as possible.