I'm 59, a life-long right supinator/left pronator.  I've tried running/walking in all types of shoes including full motion control, logging 1000s of miles.  My feet have gradually gotten more "sensitive" over the past few years and nothing was comfortable.  So the Minimus, as counter-intuitive as it seemed, was a $100 experiment for me ... I repeat, FOR ME.  Incredible!  After 1 week, ball pain, flex pain, ankle pain, knee pain, all pain ... GONE.  I have used them for sidewalk and semi-rugged path walking (not running, yet) for over a month.  They are the most comfortable thing I've ever put on my feet for outside walking.  I actually was on Amazon to buy a second pair when I decided to leave this review.  These shoes might not be for everyone, but I'm fixin' to buy another pair.