Or you can have more than one of the same shirt. My character, more often than not, would be wearing a plain white shirt. So I have 3 of them. Also in my packet I have documented men of similar profession wearing a bib-front shirt
Come to think of it, most people would be wearing a plain white, four botton placket shirt. Everybody should have at least two. Off the top of my head, based on looking at hundreds of pictures, I would say less than one in ten people would be wearing a bib front shirt. But at any given shoot, half or more of the shooters will be wearing a bib front shirts.
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