Insole Length = Foot Length + 1 cm~1.5 cm
US size6 = EU size 21 = Insole Length 13.5 cm
US size6.5 = EU size 22 = Insole Length 14 cm
US size7 = EU size 23 = Insole Length 14.5 cm
US size8 = EU size24 = Insole Length 15 cm
US size9 = EU size25= Insole Length15.5 cm
US size9.5 = EU size26= Insole Length16 cm
US size10 = EU size 27 = Insole Length 16.5 cm
US size11 = EU size 28 = Insole Length 17 cm
US size11.5 = EU size 29 = Insole Length 17.5 cm
US size12 = EU size30 = Insole Length 18 cm
US size13 = EU size31= Insole Length 18.5 cm
US size1 = EU size32 = Insole Length19 cm
US size2 = EU size33 = Insole Length19.8 cm
US size3 = EU size34 = Insole Length20.3 cm
US size 3.5 = EU size35 = Insole Length21 cm
US size4 = EU size 36 = Insole Length21.8 cm
US size4.5 = EU size37 = Insole Length22.8 cm
IMPORTANT NOTICE
US Sizes on our shoes are incorrect sometimes, so please ignore them.
1.How to choose the size ?
Please choose size according to insole length.
Insole Length = Foot Length + 1 cm ~ 1.5 cm
Example:
If the foot length is 16 cm, 16 cm + 1 cm ~ 1.5 cm = 17 cm ~ 17.5cm , then you can choose the corresponding US size to make order.
2. We are not responsible for any dispute about US size difference between shoes and our size chart.Thanks for your kind understanding. 
1.Items are generally shipped out within 3-7business day after your payment is completed. (Sat. & Sun. & Public holiday excluded.) 2.Normally it will take 20-50business days to arrive at destination. (Sat. & Sun. & Public holiday excluded.)
3.All customs fees, duties, and taxes for importing to your country are not included in the item price or shipping charge. These charges are buyer's responsibility.
FEEDBACK
1.If you are satisfied with our products and service, please leave us a positive(5 stars) feedback. We will really appreciated that.
2.If you are not satisfied with our products, please contact us first, we will try our best to solve your problem. Please do not give us neutral (3 stars) or negative (1-2 stars) feedback. Thanks a lot.
