lumber jacket
US /ˈlʌm.bər ˌdʒæk.ɪt/
UK /ˈlʌm.bər ˌdʒæk.ɪt/

1.
a short, heavy jacket, typically made of wool or flannel, often with a plaid pattern, originally worn by lumberjacks
:
•
He wore a warm plaid lumber jacket to chop wood.
•
The vintage store had a great selection of old lumber jackets.