reefer jacket

US /ˈriːfər ˌdʒækɪt/
UK /ˈriːfər ˌdʒækɪt/
"reefer jacket" picture
1.

a thick, close-fitting double-breasted jacket, typically made of navy blue wool, worn originally by sailors

:
He wore a classic navy reefer jacket over his sweater.
The reefer jacket is known for its warmth and durability.