Purchase Notes 1.The EUR size is not standard, Just convenient for you to do order.Please choose size depend on insole length. 2.The way to choose perfect shoes for you. Foot length+0.5~1cm=insole length. Such as Please measure your foot length as below.If your foot length is 23cm,you can add 0.5~1cm.That's to say,choose inside length 23.5~24cm.Thank you for your support. 3.Because of different measuring methods,there may be about about 0.5cm error,belongs to normal. 4.If you don't know how to choose the size,please tell us your foot length (cm) ,we will choose for you.Please tell me what's your foot length(cm). SIZE Euro size 38=Insole length 24.5 cm Euro size 39=Insole length 25 cm Euro size 40=Insole length 26 cm Euro size 41=Insole length 26.5 cm Euro size 42=Insole length 27.5 cm Euro size 43=Insole length 28 cm Euro size 44=Insole length 28.5 cm Euro size 45=Insole length 29 cm Euro size 46=Insole length 29.5 cm Euro size 47=Insole length 30 cm Euro size 48=Insole length 30.5 cm