pith helmet
US /ˈpɪθ ˌhelmɪt/
UK /ˈpɪθ ˌhelmɪt/

1.
capacete de cortiça, salacot
a lightweight helmet made of pith (the soft tissue from the stems of certain plants) or cork, typically covered with cloth and worn in tropical climates as protection from the sun.
:
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The explorer wore a pith helmet to protect himself from the scorching sun.
O explorador usava um capacete de cortiça para se proteger do sol escaldante.
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The old photograph showed a hunter in Africa wearing a classic pith helmet.
A fotografia antiga mostrava um caçador na África usando um clássico capacete de cortiça.