Ryūsō

thumb|Female dancer in a (outer wear), red (top). (), also known as (, also written as ') and referred as ' in Okinawan, is the folk costume of Ryukyuan. is a form of formal attire; it is customary to wear it on occasions such as wedding ceremony and the coming-of-age ceremony. The became popular during the Ryukyu Kingdom period. It was originally worn by the members of the royal family and by the nobles of Ryukyu Kingdom. The Ryukyu Kingdom was originally an independent nation which established trade relationship with many countries in Southeast Asia (Java, Malacca, and Palembang) and East Asia; they held their relationship with China as especially important. The development of the was influenced by both the and the kimono, demonstrating a combination of Chinese and Japanese influences along with local originality.

== Construction and design == left|thumb|Illustration of woman wearing (top) and (skirt). The shows a combination of Chinese and Japanese influences as well as local, native originality. Robes which crossed in the front was worn by both the working and upper classes; however, they differed in length (from knee to ankle length). The working class would wear a knee-length robe while the upper classes would wear robes which were ankle-length.