Order a wide, they run very narrow. If you normally wear a wide I would not order these because they most likely will be to tight.
I have gotten so many compliments from both staff and patients with these shoes. They are easy to slip into (tight at first, did need to get broken into) and they are waterproof. When I used tennis shoes my feet would get tired by the end of the shift, I have not experienced that with these, unless working doubles.