A (also Japanese: 半纏, Japanese: 半天 or Japanese: 袢天) is a short winter coat and an item of traditional Japanese clothing. The started to be worn, especially by the common people, in the 18th century, during Japan's Edo period (1603-1867).
The shape of the bears a resemblance to a, a traditional patchwork jacket, and the, and is worn by both men and women. The facing and lining are padded with thick layers of wadded cotton for warmth. The collar is usually made of black sateen. often display a family crest or other designs.