When we think of frostbite in Chicago and other large cities, most people think of the homeless and others out without proper foot protection from the elements. But working women, especially those who commute downtown, should also be cautious! So many of my patients commute to the city. They take the train from Naperville or surrounding western suburbs and walk to their offices from the train. I can tell you that most of these women are not wearing Uggs as part of their winter foot …