is a traditional craft textile produced in the Amami Islands (mainly Amami Ōshima) in northern Ryukyu Islands, Japan. It is a hand-woven plain-weave silk cloth dyed in mud. The textile is most commonly used for making kimonos. Oshima-tsumugi kimonos are often simply called Ōshima. thumb|upright|A woman wearing a Tatsugo pattern Ōshima-tsumugi on a World Heritage promotion poster thumb|upright|Detail of an Oshima kimono up close.
is a traditional craft textile produced in the Amami Islands (mainly Amami Ōshima) in northern Ryukyu Islands, Japan. It is a hand-woven plain-weave silk cloth dyed in mud. The textile is most commonly used for making kimonos. Oshima-tsumugi kimonos are often simply called Ōshima. thumb|upright|A woman wearing a Tatsugo pattern Ōshima-tsumugi on a World Heritage promotion poster thumb|upright|Detail of an Oshima kimono up close.
==Outline== Some consider Ōshima-tsumugi one of the three finest textiles in the world (along with French Gobelin weaving, and Persian carpets in Iran). Ōshima-tsumugi has a long history of about 1,300 years. thumb|In the mud fields thumb|upright|left|Mud dyeing paddy at the Kanai dyeing workshop Ōshima-tsumugi is known for being supple, lightweight, and wrinkle-resistant. Ōshima-tsumugi kimonos are also traditionally dyed using mud and a dye produced from the bark of the Techigi Tree (Rhaphiolepis umbellata) Indigo and other natural dyes as well as synthetic dyes are also used. Due to its hardwearing nature, it is often said that up to three generations can wear the same kimono. Ōshima-tsumugi kimono are hugely valued for their detailed kasuri patterns and deep black color. They are regarded as one of the most expensive silk fabrics in Japan. The cheapest piece costs about 300,000 yen per bolt, or tanmono, and the highest quality costs several million yen.
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