Size Information:
CN/EU Size 38= Foot Length 235-240mm/9.25-9.45in=US6
CN/EU Size 39= Foot Length 240-245mm/9.45-9.65in=US6.5
CN/EU Size 40= Foot Length 246-250mm/9.66-9.84in=US7
CN/EU Size 41= Foot Length 251-255mm/9.85-10.0in=US8
CN/EU Size 42= Foot Length 256-260mm/10.1-10.24in=US8.5
CN/EU Size 43= Foot Length 260-265mm/10.3-10.43in=US9.5
CN/EU Size 44= Foot Length 265-270mm/10.5-10.63in=US10
CN/EU Size 45= Foot Length 270-275mm/10.6-10.8in=US11

Note:
If you wear size7 leather shoes at ordinary times， you can choose these size8.
If you wear size 8 sneakers at ordinary time ， you can choose these shoes size8. If your foot is wider than normal ， Please choose one size larger.