Pith Helmet, South African Army

Included in this category are the sun helmets worn in North Africa by Italian troops, South African Army and Air Force units and Germany's Afrika Korps, as well as similar helmets used to a more limited extent by U.S. and Japanese forces in the Pacific Theater. The entire military of the America's colony the Philippines, which consisted of an army and a gendarmerie, used sun helmets. The U.S. Marine Corps used pith helmets called "elephant hats" in the South Pacific.

Source: Wikipedia > Pith Helmet