Show Me Your Mumu Travis Tee in Blue. - size M (also in ) Show Me Your Mumu Travis Tee in Blue. - size M (also in ) 70% modal 30% poly. Hand wash cold. Slub knit fabric. Front screen print graphic. SHOW-WS259. MS8 934. 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.