Many men have faced an awkward dress problem: in cold winter, when they need to wear formal clothes, they know that they should not wear a sweater in a suit outside the shirt, but they still put their sweater on the shirt because they are afraid of the cold wind in winter.

Mr. Ye, 27, has recently found a good solution to wear a cardigan outside his shirt, which is not only beautiful but also has the effect of keeping warm, like a three piece suit in a suit.

"I really have a crush on cardigan recently.