Jungchimak was worn by men under the ceremonial robe or outer garment when going out. This piece is a reproduction of quilted jungchimak worn by Yi Hyeok (1661~1722) in the collection of Gyeonggi Provincial Museum. The outer shell and lining are made of silk and are quilted at intervals of 1cm with cotton inside. The side slits and sleeve edges are adorned with bluish hemming.