baseball cap
jockey cap
golf cap

But first I had to figure out what to do about the guy in the baseball cap.

Someone came over and put a baseball cap on her head to keep off the sun.

He has a baseball cap pulled down over his face.

It was then I saw the man in the baseball cap.

That's because no one has ever seen him without a baseball cap on his head.

A baseball cap will heat you up more than anything going on down south.

I put it on along with a black baseball cap.

The other had a baseball cap pulled low over his eyes.

"This is the first time I saw you without a baseball cap," she said.

The baseball cap was and still is an important means by which to identify a team.