1. This is Asian Size, it is 2-3 size smaller than EU/US size. If you wear EU/US size 2. If you are not sure about size, you can tell us your height (cm) and weight (kg) before 3. As measured by hand,1-3 cm difference is allowed (1cm=0.39inch). 4 Different computer can display different colors even if it is the same color.please allow reasonable color difference.