Panamka
The Panamka (Russian: панамка), also called a Panamanka (Russian: панамaнка) by non-Russian speakers, was a common name for the standard tropical headgear of the Soviet Army. Officially, the M-38 Field Hat, the Panamka was introduced on 10 March 1938, for troops of the Red Army in the Central Asian, North Caucasian and Transcaucasian military districts and Crimea.