Show Me Your Mumu Lambert Cardigan in White. - size M (also in S, XL, XS) Show Me Your Mumu Lambert Cardigan in White. - size M (also in S, XL, XS) Acrylic blend. Imported. Hand wash recommended. Front button closure. Front patch pockets. Lightweight knit fabric with varsity stripe detail. Item not sold as a set. SHOW-WK175. MS4-1148. 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