windcheaters

noun
UK /ˈwɪndˌtʃiːtəz/
US /ˈwɪndˌtʃiːtərz/

A windcheater is a light jacket that keeps the wind off you.

She zipped up her windcheater before stepping into the cold breeze.


OTHER MEANINGS

2. Lightweight outerwear worn for sports or outdoor activities.

The runners wore matching windcheaters in the team colors.

3. A person or thing that cheats the wind, such as a streamlined vehicle design.

The engineers tested a windcheater fairing on the bicycle.

4. Informal term for a protective covering against drafts in a building.

They fitted a windcheater strip along the bottom of the door.