While in theory I love these sandals, they have done a number on my feet.  I live in FL and wear flip flops all the time -- several different styles and brands, so I did not expect to have problems with this pair.  I put them on the first time and walked my dog around the block.  And then I was crippled.  They wore a small hole in the top of my foot near the base of my second toe and they bruised the top of my foot.  So....  I had problems wearing other flip flops until my foot recovered.  Then I tried them again, wearing them to the grocery store to pick up a few items.  I even put a band-aid over the spot that was irritated the first time I wore them.  This time the thong created a huge blister between my big toe and my second toe on that same foot.  Have you ever had a blister in that spot?  It makes it incredibly difficult to walk in any type of shoe let alone barefoot.  I swim laps every day and it was even difficult to do that.  It's been a couple days and I just now walk without a noticeable limp in sneakers with the blister wrapped up.  *sigh*  Again, I really like the sandals -- they fit nicely (when just standing, ha!) and are cushioned and have nice arch support.  There is just something about the thong that goes between my toes that does not agree with my feet.  I am not sure what to do since I have worn them twice outside.  Guess I'm stuck with some nice looking sandals that I can't really wear.