Men's US sizing. Made for snappy runs on hard surfaces, the Kinvara boasts a small drop, suitable for runners with a strong gait. The midsole structure offers a great, rolling stride feel. In addition to running, you can use your Kinvara shoes also at the gym and on recovery walks. We do not recommend this model for runners with problems in their stride (over or under pronation). Compared to the previous version, this 16th iteration has a straighter midfoot area, and the combination of cushioning foams provides a more responsive feel. - Regular last, except for the somewhat narrower front part - For a neutral stride - PWRRUN and PWRRUN+ shock absorption give a nice stride feel, but is also compatible with longer runs - The elements on the upper part offer a touch of added stability - Heel to toe drop 4 mm A good pair for the Kinvara is the Ride, especially if you find the Kinvara a bit harsh on those long runs. According to studies, alternating between two different running shoes