This picture represents the mens work wear of the 1920s. They wore long pants and overalls and long sleeve shirts. This picture stood out to me because of how tough these men look. They are very intimidating looking and don't look like someone you would want to mess with. These men worked hard, long hours and were very good at their jobs.
LARNED,CARTER (HEADLIGHT), 1904, work clothes for train engineers
W. Eugene Smith. 'Steel Mill Worker, Pittsburgh' 1955
Fire Workers 1935
RAF 1960s 22C ventile parka.
“US M65 White Snow Camo Fishtail Parka” https://sumally.com/p/672117
Vintage Rocker, Fashion war Military Fishtail Parka