Show Me Your Mumu Chester Sweater in White. - size L (also in M, S, XL) Show Me Your Mumu Chester Sweater in White. - size L (also in M, S, XL) Cotton blend fabric. Made in China. Dry clean recommended. Turtleneck styling. French terrycloth fabric with cinched cuffs. SHOW-WK164. MR3-4945. 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