baseball cap
jockey cap
golf cap

Upon his head sat a golf cap, not a baseball cap.

The man in the golf cap whistled at the figure.

The golf cap picked it up and turned to his friend.

They traveled light, he in a golf cap and she in anything comfortable.

He was known for wearing a golf cap while running.

Abruptly the man in the golf cap said, "I'll do it, mister.

I asked the man in the golf cap.

"Yeah, I remember that guy," said the other man, wearing a golf cap.

At the victory ceremony, Wottle forgot to remove his golf cap.

An old guy in a mashed-down golf cap would beckon me from the driver's seat and then get out of the car.