They are commonly used on conventions like comic conventions, and others. I only like to dress up at places where I am hired to dress up at or where it is appropriate, like a convention. Why purchase anime cosplay costumes? We are an online shop selling various cosplay products: wigs, shoes, anime costumes, game character costumes, adult robin costume and more! You may even wear them to other events that you go to where you may want to do some cosplay for.