1, Down jacket: It is a light and warm garment, made of duck down or goose down. In the weather from 9 to 1 1 degree, wearing a medium-thick down jacket can keep you warm without being too heavy.

2. Cotton-padded jacket: it is a kind of clothing with good thermal performance and relatively low price, which is suitable for mass consumption. Made of cotton. In the weather from 9 to 1 1 degree, you can keep warm by wearing a medium-thick cotton-padded jacket.