Comments: These are my first experience with the nike free series. I went with the 4.0 simply because they fit me better than the 3.0 or free run. Without a doubt these are the best running shoes I've ever had. I'm a believer in the less shoe is better idea and this is the most minimal shoe I've tried. They make running feel more natural while still providing some soft cushioning. If you are a heavy runner I could see where the midsole could bottom out but for average weight folks they are perfect. Shoes like these are not for everyone bit if you like a light and low to the ground feel the 4.0 is a
From: Gene, Michigan
Comments: best shoe i have ever had!! light and flexible. takes a little time to get used too. but i will buy this shoe for as long as it is availabe.
From: Nathan, huntington beach, ca USA
Comments: I just returned this shoe, size 9. I wear a size 9, D-E width (foot is 10" long, medium arch height of 2 1/2" measured at middle of arch to top of the foot, and 4" wide) This shoe was very snug and tight even in barefeet. When I raised up on my toes, while wearing the shoe, it pinched or irritated the top of my foot just in front of where the lacing starts behind the toes. The rubberized coating makes the upper fabric stiff, not very flexible. I also noticed this shoe is not very breathable and this feed back comes from wearing the Free 4 v4, that I also have, to work for a day. My foot was very wet from perspiration from just wearing them to work for the day, with a thin pair of polypropelene socks. I'm thinking they will make a good winter shoe.
Anyway, I'm sure they will be fine for some people, just not for me. My foot, it seems, is a bit odd and not along the lines of the average person. I've struggled to find the right combination of shoe. I keep going back to Kinvaras for longer runs, but just ordered some Brooks Pure Cadence to see if they will be more comfortable. I'm hoping to find a shoe with the lowest arch support (which seems to be most comfortable for me), and with enough cushioning for longer runs.
I tend to have to remove the insole, cut away the arch portion and reinstall it, in order to keep it from irritating my arch.
Minimalist shoes and sandals without structure are most comfortable to me, but I'm still in search of a cushioned shoe for long runs and which does not irritate a second toe neuroma affliction in my right foot.
Best of luck with this shoe.
From: Tim, Westerville, Ohio, US