Ever heard of the hanbok? It is Korean traditional attire. Here is the definition from Wikipedia
A Hanbok (South Korean) or Joseon-ot (North Korean) is a traditional Korean dress for semi-formal or formal attire during traditional occasions such as festivals, celebrations, and ceremonies. It is characterized by vibrant colors and simple lines without pockets. Although the term literally means “Korean clothing”, hanbok usually refers specifically to clothing of the Joseon period.
Here is a poll about hanbok.