Fox Kigurumi - Adult Halloween Costume Pajama (One size Fits All) Material: Fleece (100% polyester). Imported All of our kigurumi costumes are machine washable and can stand repeated cleanings without losing their shape. 100% Original from Sazac the creator of Kigurumi in Japan. Machine washable High quality fiber used in manufacture. Made with love by Sazac. Adults Kigurumi are One-Size-Fits-All. They are made to be loose fitting and will fit anyone at least five feet tall. Unisex.