These were so tight they cut off circulation to my feet.  I walked into work in them and had to drive home to change shoes because they were so tight and painful.  You have to wear them and walk in them; simply trying them on they feel great at first, but once you start to go about your day the pain they cause is excruciating.  Returned.  Sizing is clearly off on these as these were NOT a size 6.  There is no possible way.