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You and a pal can now dress up as the dynamic duo of Mermaid Man and Barnacle Boy this Halloween once you get your hands on this officially licensed Barnacle Boy Costume. Any fan of SpongeBob SquarePants will appreciate how amazing you look in this costume that includes everything you need to become this underwater superhero including an eye mask, gloves, sailor hat, blue scarf, shirt, shorts and socks. Team up in the fight against evil this Halloween when you dress up as the boy wonder Barnacle Boy!