I just started working, and my feet are ever so spoiled on several pairs of lace up Vibrams five fingers. So when I made the transition to having to dress more formally, I developed foot pain. I was looking for a pair of barefoot shoes that looked professional, and these fit the bill. My feet felt wonderful from the instant I put them on. I wear an 8.5 US and a 40 EU. I have wide feet, but these shoes fit perfectly. My toes have lots of space to wiggle and stretch and I can wear toe socks comfortably underneath them. They have no heel whatsoever and they encourage my feet to align properly. I tend to walk on the outsides of my feet and these angle them back in.