Size chart: M3W5 = 34-35EU （if you want M3 please order M4 and then note M3） M4W6 = 35-36EU = 22.5-23cm M5W7 = 37EU = 23.5 cm M6W8 = 38EU = 24 cm M7W9 = 39-40EU = 24.5-25cm M8W10 = 41-42EU = 25.5 cm M9W11 = 42-43EU = 26-26.5 cm M10W12 = 44EU = 27cm M11W13 = 45-46EU = 28-28.5 cm Notice: 1. Asia Size is smaller than US/EU/UK size, please compare and take measurement before purchase. 2. Due to the different monitor and light effect, the actual color maybe a slight different from the picture color. 3. Please allow 1-3cm differs due to manual measurement. 4. We DO NOT accept return or exchange due to hygiene purposes. Please check your foot length carefully to make sure it fits you.