Mainly the bold use of color, as well as the old way of clothing style.
You can go to the MCC website, where there are some people who can match the retro style. That's great. I also like to dress in retro style.
It is not easy to become a master of retro style, so it is necessary to grasp the mix and match of colors and styles. Otherwise, it's easy to make others look weird and messy.