pith hat
pith helmet
sun helmet
topee
topi

The pith helmet he carried with him would and did serve just as well for this research in laughter.

This was worn until replaced by a pith helmet in 1931.

"How do you think I would look in a pith helmet?"

I cracked my head on something and was very glad of the pith helmet.

This appears to act as a sort of 'pith helmet' to protect the head from the tropical sun.

The boys turned to see a man wearing white shorts and a pith helmet.

Before we could say anything, he stood up and put on his pith helmet.

Under his pith helmet no fringe of hair showed; the man was completely bald.

This portable radio built into a pith helmet was a sensation in 1949.

She removed her pith helmet and laid it down on an empty chair.