Welcome to POLALIPls check the chart and choose the shoes according to your feet length(from heel to toe). thanks.
***Size chart***
EU Size38=US6 =Foot Length 24.0cmEU Size39=US6.5 =Foot Length 24.5cmEU Size40=US7 =Foot Length 25.0cmEU Size41=US8 =Foot Length 25.5cmEU Size42=US8.5 =Foot Length 26.0cmEU Size43=US9.5 =Foot Length 26.5cmEU Size44=US10 =Foot Length 27.0cm