We are European standard size, please choose the appropriate size of the feet length if you confuse with the size: if your feet are thicker or wilder, please choose a larger size:Size Chart. Reference below:EU35 = MX2.5 = MX22.5 = Feet length 22.5 cm;EU36 = MX3 = MX23 = Feet length 23 cm;EU37=MX3.5=MX23.5=Foot Length 23.5cm;EU38=MX4.5=MX4.5=MX24=Feet Length 24cm; EU39=MX5=24.5cm; Feet length 24.5cm;EU39=MX5=24.5cm; Feet length 24.5cm; EU40 = MX5 = Foot length 24.5 cm; EU40 = MX5 = Feet Length 24.5cm;EU40 = MX5 = Long = MX25 = Feet length 25 cm;EU41=MX6.5=MX26=Feet Length 25.5cm;EU42=MX7.5=MX27=Feet Length 26cm;EU43 = MX8 = MX27.5 = Feet length 26.5 cm;Note: Due to the difference between monitors, the image may not reflect the actual color of the item.Please allow 1-2cm difference due to manual measurement; Please check the size details before purchasing.Thanks for your understanding.Notes:1. Asian size is smaller than EU/US/UK size. Compare detail sizes with yours before purchasing.2. Please allow 2-3cm difference due to manual measurement.3. Due to different computer display colors, the actual color may be slightly different from the following pictures, thank you for your understanding.4. If you have any questions about the product, please contact us first, we will try our best to help you solve itBuying tips1. Please read the full advertisement before purchasing.2. Make sure your contact details are up to date at the time of purchase.3. Please verify your shipping address as we cannot change it.4. Please confirm the size with customer service before placing an order