11The Batman Dark Knight Costume is a 3D muscle jumpsuit with a mask and cape, perfect for young fans of the popular superhero. Made by Amscan, this costume is designed for boys aged 4 to 6 years, capturing the essence of Batman's iconic look from the Dark Knight series. Whether for a fancy dress party or just for playtime, this costume allows kids to channel their inner superhero and dress up like the one and only Batman.