This is a knitted hat with earflaps. The cap features a peak and folded earflaps that can be buttoned under the chin. They often wear big boots and hats with earflaps. A fur cap with earflaps and gloves are also available for extreme cold operations. Russia a hat with earflaps called [[treukh]] was worn. The earflaps, tied under the chin, provide protection in cold weather and high winds. The sides have earflaps over a feather base. In later years, the airborne helmet of the Polish paratroopers was introduced, which had earflaps. The earflaps, wide and triangular in the standard version, are narrow with straight sides. Prior to this, earflaps had been improvised. Modern crocodiles also have earflaps to decreasing water entry.