Commoner's firefighting jacket (hikeshibanten) Japan, 19th c. Cotton cloth with indigo dye (sashiko & tsutsugaki), 38 1/2 x 50 in. (97.79 x 127 cm) Seattle Art Museum 2001.414 "The oversized spider hovering over the go board alludes to Tsuchigumo ('Earth Spider'), the Noh drama that tells the story of the warrior Minamoto Yorimitsu fighting off the monstrous earth spider, who is disguised as a monk."
Read more about the history and iconography of this cool coat here: