1. Please kindly measure your foot length by ruler first, when you choose the size. 2. The number marked in the shoes` sole is the Chinese size, not EUR size 3.Feet length is not insole length,insole length is 0.5 cm-1 cm longer than feet lengthIf you have any problem,please kindly contact us first. Chinese size 36=Feet length 23.0cm Chinese size 37=Feet length 23.5cm Chinese size 38=Feet length 24.0cm Chinese size 39=Feet length 24.7cm Chinese size 40=Feet length 25.4cm Chinese size 41=Feet length 26.1cm Chinese size 42=Feet length 26.8cm 1, Color: Due to differences in shooting angles and lighting, the colors displayed in the photo may have a slight color difference from the actual product, which is normal and not considered a quality issue. We do not accept refunds due to personal preference issues or non quality issues. If you have any questions before or after submitting your order or receiving your package, please contact us first instead of causing a dispute, and we will do our best to resoe them for you. 2,Due to all dimensions being manually measured, an error of 1-4cm is allowed. It is not a quality issue.After receiving the goods for seven days, we do not accept returns, refunds, or refund requests for any reason. 3,For shipping: All our items will be shipped to buyers address which offered by buyers, please confirm your address before payment. We will send the items within 10 Business days once your payment is completed. Holidays may be extended 4,Feedback: Your satisfaction and positive feedback are very important to us. If you are satisfied with our products and services, please leave positive feedback and 5 stars. If you have any questions about our products or services, please feel free to contact us before leaving negative feedback. We will make every effort to soe any problems and provide you with the best customer service. If you cannot find any logistics tracking information on it, please contact us. Please feel free to contact us through online chat instant messaging or email, and we will reply immediately after reading.