Show Me Your Mumu Outlaw Romper in Brown. - size S (also in M) Show Me Your Mumu Outlaw Romper in Brown. - size S (also in M) 65% cotton 35% poly. Hand wash cold. Side seam pockets with braided trim. Belt loops. Corduroy fabric. Imported. SHOW-WR104. MDF9 273. 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.