A lightweight hat made of dried pith and used in tropical countries for protection from the sun.
A lightweight helmet-shaped hat made of the pith for the sola or shola (Indian spongewood) plant covered with white-cotton and faced with green cloth. Originally used by the British army in India in 19th century, later used much more extensively.
A hat of comparable look, but manufactured from different products.
a lightweight hat used in exotic countries for defense against the sun