Why did ancient Korea show its chest?

18 The appearance of common women at the end.

Take off your coat was first worn by upper-class women in the Korean era, but it was also allowed to be worn by civilians in the later period. The fabrics of dresses are mostly made of bordeaux satin, patterned satin and foreign satin. The lining is mostly blue with no pattern. Because wide clothes are expensive, most people use green round shirts as the bride's wedding dress. The tunic skirt is a common dress for Korean women. Before the Ming Dynasty, this system was followed, and only aristocratic women could wear robes. Ordinary women wear fluffy skirts on their pants. From the end of 18, the tops of Korean civilian women gradually became shorter and even exposed their chests. During the Japanese occupation of Korea, Japanese colonists prohibited Hanbok from being designed for women to open their chests to facilitate breastfeeding.