The size of this shoe is not the standard US or EU size, you should refer to the size chart we provide to order a more suitable size. EU/CN----US-------Foot length(cm/in) 36----------6-----------9.06''--------23.0cm 37----------6.5--------9.25''--------23.5cm 38----------7.5--------9.45''--------24.0cm 39----------8-----------9.65''--------24.5cm 40----------8.5--------9.84''--------25.0cm 41----------9----------10.04''-------25.5cm 42----------9.5-------10.24''-------26.0cm