I have only been troubled than happy with the purchase of this NIKE shoe model 397100, Other details given below. After about a week of purchase the front part of the bottom rubber sole had peeled off, The Store was kind enough to replace the unit. However, Now again after 3 months the same thing has happened. I had raised this point while my purchase also, but the sales person convinced me saying that should not cause any problem.This is a design issue, this part(un trimmed) stands out where is should be in sync with the shoe... read full review »