Welcome to my store! Thank you for your coming , we will try our best to provide the good service and price for you. Hope you enjoy your time here, thank you ! EU size: Size 39 = foot length 24.5cm Size 40 = foot length 25.0cm Size 41 = foot length 25.5cm Size 42 = foot length 26.0cm Size 43 = foot length 26.5cm Size 44 = foot length 27.0cm Size 45 = foot length 27.5cm Size 46 = foot length 28.0cm Size Tips: - Neither US Size or EU Size are based on the feet length, so you only need to accurately measure feet long, and then refer to the size chart to choose the correct size. Correct measurement of feet length is very important, our company is EU size(Size label) and foot length as the standard.