Well, the positive of these sandals is that you can tell they are well made, great quality material. Now on to the negatives. I purchased these for my hubby to wear on vacation where we would be doing significant walking. Per previous advise I made sure he broke them in at least a month prior. Unfortunately the day of our vacation he received horrible blisters on both heels from the rubbing of the back of the sandals. Id say we walked a tots of 12 miles. It was so bad we had to purchase some cheap flip flops for him to wear the remainder of the vacation. When we got back he wore them again about a month or so later and within a few blocks of walking he received another blister! Unfortunately I don't foresee him wearing them again. Very disappointed.