pith hat
pith helmet
sun helmet
topee
topi

The other man was peering out from under the wide rim of his sun helmet.

I put on my sun helmet and took a long drink of water.

However, even in civilian dress, having traded their green berets for sun helmets, they still had a military appearance.

Things worsened when woolen underwear and sun helmets arrived in winter.

That brings us to the mysterious visitor in the sun helmet.

I did not fancy having a thing that looks like a tree trunk topped off by a sun helmet claiming the privileges of a man.

He wore civilian khakis and a huge sun helmet.

He was wearing a sun helmet and a short thick trench coat.

I think he was wearing a sun helmet, but the face was indistinct.

He was wearing shorts and a sun helmet, and clutched a brief case in one hand.