Mumu Collection Mumu ~ In the Pacific, a mumu refers to a loose, comfortable, garment worn by women. The style of the dress is typically characterized by its relaxed fit, flowing design, Mumu Collection Mumu ~ In the Pacific, a mumu refers to a loose, comfortable, garment worn by women. The style of the dress is typically characterized by its relaxed fit, flowing design, Traditional Muumuu Hawaiian Dresses Shaka Time Hawaii Traditional Hawaiian Muumuu Dresses Made in Hawaii Lavahut Ladies' Muumuus