Show Me Your Mumu Siren Wrap Skirt in Green. - size M (also in ) Show Me Your Mumu Siren Wrap Skirt in Green. - size M (also in ) Viscose blend. Hand wash cold. Unlined. Wrap front with tie closure. Skirt measures approx 40 in length. SHOW-WQ41. MM7 610. 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.