topee

US /ˈtoʊ.piː/
UK /ˈtoʊ.piː/
"topee" picture
1.

a lightweight helmet, typically made of pith or cork and covered with cloth, worn in tropical countries as protection from the sun.

:
He wore a topee to shield himself from the scorching sun during his safari.
The old photograph showed explorers wearing their traditional topees.