Women Size info: EU 35=US 5 = insole length 22.5cm =8.7 inch EU 36=US 6 = insole length 23cm =8.9 inch EU 37=US 6.5 = insole length 23.5cm =9.1 inch EU 38 =US7.5 = insole length 24cm =9.3 inch EU 39=US 8.5 = insole length 24.5cm =9.5 inch EU 40=US 9 = insole length 25cm =9.7 inch EU 41=US 9.5 = insole length 25.5cm =9.9 inch EU 42 =US 10.5= insole length 26cm =10.1inch For Example: If you choose US7.5,it is EU38. it comes with 24 cm/9.3 inch insole length If your feet are fat. you may choose the bigger one (All measurement in cm and please note 1cm=0.39inch) Tips: Measurements are the maximum size,please allow appr ±0.5-1cm tolerance. Compare the chart size with your feet length carefully before ordering. Attention: 1 Please Contact us in time if you have any problem About the product.We can help you solve most of the troubles,then give you Good service. 2 If you are not satisfied with the product that exists damaged or you did not receive the product and so on. you can immediately apply for a refund, we will return your money.