What to wear in Zhengzhou 12 degree?

T-shirts The annual average temperature in Zhengzhou is 12℃~22℃. It is recommended to wear comfortable clothes, such as short suits, T-shirts, thin jeans, casual clothes and professional suits made of single cotton and linen fabrics. Zhengzhou, known as Shangdu in ancient times, is the capital of Henan Province, the core city of megacities and Central Plains urban agglomerations, and an important central city in Central China and an important comprehensive transportation hub of the country as determined by the State Council.