Really disappointed in this shoe.  Loved the v2, except for durability (each pair fell apart in 2 months).  v3 is narrower, shorter (I had to go up from a 13 to a 14 in size in order to avoid crunching my toes), and after walking (walking!) in these shoes for 2 weeks, I have a sharp pain on the top and side of my left foot.  Not sure what's different, but these are not for me.  Bummed I spent all that money on them.