I attend a water aerobics class and noticed that a few of the women wore the croc shoes.  I liked the kick around idea and knew there would be no harm when wearing them around so much water.  I got them and was pretty happy until one day in the summer I took a mile long walk at the school near me.  About half way through the mile I noticed a burning on the top of my foot. When I got home I took a closer look and seen that I had a pretty red welp and could not wear the shoes for about a week.  There was a burn mark for a couple of months after the walk. They are fine with socks in the winter, but for summer wear I suggest if you are going to be doing a lot of walking I wouldn't wear the crocs.