US5.5=EURO SIZE21=INSOLE ABOUT 13.5CM
US6=EURO SIZE22=INSOLE ABOUT 14CM
US7=EURO SIZE23=INSOLE ABOUT 14.5CM
US8=EURO SIZE24=INSOLE ABOUT 15CM
US9=EURO SIZE25=INSOLE ABOUT 15.5CM
US9.5=EURO SIZE26=INSOLE ABOUT 16CM
US10=EURO SIZE27=INSOLE ABOUT 16.5CM
US11=EURO SIZE28=INSOLE ABOUT 17CM
US11.5=EURO SIZE29=INSOLE ABOUT 17.5CM
US12=EURO SIZE30=INSOLE ABOUT 18CM
