an informal style of jacket originally designed for doing rough work outside, made of strong material that protects the wearer against rain, often brown or black in colour, and with a layer of warm material inside

The candidate swapped his grey suit and tie for khakis and a barn coat. 候选人将他的灰色西装和领带换成了卡其裤和谷仓夹克。

He was dressed down for the festival in a barn jacket with a leather collar. 为了这次纪念活动，他特意穿着随便，穿了一件带皮领的谷仓夹克。