us size 6.5 =eur38=foot length24cm

us size 7 =eur39=foot length24.5cm

us size 7.5 =eur40=foot length25cm

us size 8 =eur41=foot length25.5cm

us size 8.5 =eur42=foot length26cm

us size 9.5=eur43=foot length26.5cm

us size 10   =eur44=foot length27cm