A single layerd Cheollick worn by Yoon, Yong-gu, an adopted son of Princess Deok-on, made of blue Sah(silk gauze) with a cloud-treasures pattern. The collar end is smooth and round, the length of the top is relatively short and wide. The left sleeve is detachable and adjustable with knotted buttons The length of waist-up is only about 1/3 of the length of waist-down, and it is the shortest during the Joseon dynasty. It might have been influenced by fashion of Jeogori(jacket) length, which became shorter in that period. The skirt-like part is constructed with six panels, 68cm in loom width. The pleat width is 0.5~0.7cm. A Belt was usually worn along with Gwangdahoe(braided belt), and there is a set of twill braided belt made of red silk threads is remained with the coat.