size chat(China size): EU39=Asia size39=245mm EU40=Asia size40=250mm EU41=Asia size41=255mm EU42=Asia size42=260mm EU43=Asia size43=265mm EU44=Asia size44=270mm How to choose proper size? 1) Use similar garment to compare with the sizes 2) Choose larger sizes if your sizes are same as the flat measurement size chart 3) China size may be a little smaller.Please choose China size according to your foot length in cm 4) If your foot is wide,we will suggest you choose one size larger.