pea jacket

US /ˈpiː ˌdʒæk.ɪt/
UK /ˈpiː ˌdʒæk.ɪt/
"pea jacket" picture
1.

a short, heavy woolen coat, typically dark blue, worn by sailors

:
He wore a classic navy pea jacket to brave the cold.
The vintage shop had a collection of old military uniforms, including a well-preserved pea jacket.