Cheolik is probably the famous and popular gown of Joseon's men. 1) It was the one-piece gown made by sewing the upper(Jeogori) and a skirt(Chima). 2) the skirt part was very wrinkled. 3) usually sleeves could be tore off from the body, connected with buttons at other times. And this was also a uniform for military officers, You can check it in Yungbok.