How thick should you wear in the winter in Hengyang, Hunan?

Medium thickness down jacket. The temperature in Hengyang, Hunan in winter ranges from 0 to 10 degrees, and occasionally drops to minus several degrees. You can wear a thin sweater or long-sleeved top and a jacket indoors. When going out, you can pair it with a medium-thick down jacket or woolen coat, and add a thick scarf, hat, and gloves to keep warm.