down vest

US /ˈdaʊn vest/
UK /ˈdaʊn vest/
"down vest" picture
1.

羽絨背心, 羽絨馬甲

a sleeveless jacket that is padded with down or synthetic fibers for warmth

:
He wore a down vest over his flannel shirt.
他在法蘭絨襯衫外面穿了一件羽絨背心
A lightweight down vest is perfect for chilly autumn days.
輕便的羽絨背心非常適合寒冷的秋日。