bucket seat

US /ˈbʌk.ɪt ˌsiːt/
UK /ˈbʌk.ɪt ˌsiːt/
"bucket seat" picture
1.

a single seat with a contoured shape, often found in sports cars, designed to hold a person securely in place

:
The sports car had comfortable bucket seats.
He adjusted the bucket seat to his liking before driving off.