Sloth Kigurumi Onesie Costume Material: Fleece (100% polyester). Imported 100% Original from Sazac the creator of Kigurumi in Japan. (NEW) Machine washable High quality fiber used in manufacture. Buy from Global Deals Today to be assured of getting an authentic Sazac Kigurumi. Adults Kigurumi are One-Size-Fits-All. They are made to be loose fitting and will fit anyone at least five feet tall. New "Adults XL" Size for those 6 feet tall and beyond.