EUR 39 = US 7.0,for feet length24.5~ 25CM
EUR 40 = US 8.0 ,for feet length 25.5~26.0CM
EUR 41 = US 8.5,for feet length 26.0~26.5CM
EUR 42 = US 9.0 ,for feet length 26.5~27.0CM
EUR 43 = US 9.5 ,for feet length 27.0~27.5CM
EUR 44 = US 10.0,for feet length27.5~ 28.0CM