Blue
The traditional stocking cap worn by Danish men came in brown or red. The top of the cap was not close-fitting, it was longish and folded across the top of the head. Some of them had a tassel on the end.
blue
A bathing cap is a silicone, latex or lycra cap which is worn on the head by swimmers.
The significance of the baggy green cap is that it symbolizes the Australian pride. The cap itself is a cricket cap and it is considered to be the most famous cricket cap.
The caps are called zucchetto. Zucchetto: noun: a small round skullcap worn by members of the Roman Catholic clergy, the color of which depends on the rank of the person wearing it
The cap that was worn by the common soldiers during the American Revolution was called a tricorn. The shako cap can be traced back to War of 1812.
A woolen cap worn in Scotland is called a tam o' shanter.
The checkered cap was deemed appropriate for golf and weekend motoring.
cap worn by a slave upon becoming free in the french revolution
the capi
Probably Black or brown, these were not general Army AF issue in War I so color schemes could vary on the front. these flight helmets also worn by tank crewmen.
It is worn in Korea. Hope I helped xx