Po is a general term that describes an outer robe or overcoat in Korean traditional clothing.

[1] The Korean type is a common style from the Three Kingdoms of Korea period, and it is used in modern day.

Durumagi is a variety of po that was worn as protection against cold.

It had been widely worn as an outer robe over jeogori and baji.

Starting from North-South states period, they were used through history until nation-wide adoption of the Korean type durumagi in 1895.