It was custom, then. Men took off their hats in buildings, especially in elevators, and they even actually tipped their hats, or removed them altogether, in the presence of a lady.
Note:
It is still proper for a man to do so. It is apparently not equired of women. This is likely either derivative of religous practice, or fashion (in case it would mess up their hair).
Pentecostal men do wear hats.
Men Without Hats was created in 1980.
Men Without Hats ended in 1991.
Yes, men wore hats in the 1920s. Hats have been popular for hundreds of years.
It takes 100 man-days, so three men would take 33 and a third days and 8 men 12½ days. Working together the 3 men and 8 men would take 100/11 or 9 and a ninth days
A haberdasher is a person who sells men's hats.
In men's hats the style that sell is really the baseball cap with any team on in. In western hats it's the Stetson.
Pentecostal men do wear hats.
They made hats. Hats were worn by men and women in the 1700's. It was considered improper to go out without a hat. The hattter made men's hats and they were made of cotton, wool, beaver skins, and straw.
Sideways - Men Without Hats album - was created in 1991.
Collection - Men Without Hats album - was created in 1996.
The Very Best of Men Without Hats was created in 1998.