noun, noun or participle which takes 'suru', intransitive verb
wearing thick clothes; dressing warmly
Refers to putting on multiple layers or heavy clothing to stay warm. Often used as a noun or with する to describe the act of bundling up. The antonym is 薄着 (うすぎ, dressing lightly).
See also: 薄着
寒い日は厚着をして出かけます。
On cold days, I go out wearing thick clothes.
風邪
You should dress more warmly so you don't catch a cold.