I work grocery retail and am on my feet on concrete for 8 hours a day. The black patent with black heel hold up incredibly well even after several years of wear. They are the most comfortable shoe for work, and I compare them favorably to my Brooks running sneakers. I plan on buying a pair for wearing when NOT at work!!
I have these in yellow, hot pink and now in Robbin Blue. I wear for work in Children's Ward, my kids love my bright colors, too!