Here is the deal..  In the store these were super comfortable.  What I didn't realize is that the bottom/ heel area has huge traps that are the perfect size to collect and trap large pieces of gravel.  This is the most idiotic shoe sole design I have ever seen in my life.  I guess if you ONLY wore them on a manicured lawn or inside the gym they would be fine.  Just don't wear them anywhere they can come into contact with rocks..