Love these shoes almost as much as my Barefoot Life loafers and my Barefoot running shoes. I am a surgery resident and use these as my work shoes - they have held up to 2 years of running all over the hospital, in and out of the OR, and have withstood all sorts of abuse. The essentially-waterproof upper and non-slip soles are key in the OR, I don't have to worry about whatever might spill on or around my feet. Over the many hours I spend in these each week, they are more comfortable than any other healthcare-marketed shoes I've tried. I've started to see them more frequently on other feet around the hospital. My ideal shoe would combine a waterproof/water-resistant leather upper like these with a non-slip version of your barefoot, 0mm drop, soles. These could be a big hit with healthcare providers!