Show Me Your Mumu Vienna Sweater in Black. - size L (also in M, S, XL, XS) Show Me Your Mumu Vienna Sweater in Black. - size L (also in M, S, XL, XS) 69% nylon 31% acrylic. Made in China. Machine wash. Puff sleeves. Plush knit fabric. SHOW-WK171. MF2-4766. 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. Shop the latest in fashion from Show Me Your Mumu