Years ago you could not wear a full uniform to work or away from work. You could wear shirt or pants but not both. UPS was also responsible for washing uniform pants. We had our pants laundered for years from an outside source.
Around here, pants are still laundered but most just do it themselves. However, we can
wear the full uniform to and from work. I don't know if it's policy book stuff. However,
the procedure has kind of devolved like beards. I have been called out for wearing my driver
hat in public off the clock. But then that's when I used to be proud to work for UPS....
I have worn my full uniform to my daughter's choir concerts or softball, soccer games etc.
during the week(straight from work sort of things). I always wear my full uniform to work
and will go to the store etc. before and after. It's so standard here, I don't think you could
be disciplined for it under any circumstance. However, I'm sure that would change in an instant
if anything negative or famous happened publicly.