Show Me Your Mumu Charlie Zip Sweater in Black. Size M, S, XL, XS. 55% viscose 45% nylon. Made in China. Hand wash. Partial front zipper closure. Gold-tone metal loop zipper. Knit fabric. SHOW-WK170. MF3-5464. Mumu is not simply a garment, it is a lifestyle. Spontaneous. Fun. Easy going. Unique. Versatile. Imaginative. It all encompasses the mumu, and a way of life.