Kso and TrekSport Sandal the same size

Hello I have a pair of the Classic KSO in a size M41 and a pair of KSO EVO also in a size M41. So should I get a treksport also in a size M41 or are they sized different.


  • I find the KSO and TrekSport lasts are about the same length, but my foot shape is narrow.  I don't have the Sandal.
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