I have a very high arch and can never find a pair of heels that are comfortable. I will enjoy these and will buy other Dansko shoes in the future!  I bought a size 37 first and had to send them back.  I have a small foot and my heel is narrow.  I normally buy a 6.5 shoe, but the 37 were way too large.  I reordered the 36 and it is perfect.  Great shoe, great company, great Amazon!