Due to different countries and different manufacturers, the size info are different, your foot length is the only criterion for choosing size

Foot length 22.5(cm) = You should choose Size 35

Foot length 23.0(cm) = You should choose Size 36

Foot length 23.5(cm) = You should choose Size 37

Foot length 24.0(cm) = You should choose Size 38

Foot length 24.5(cm) = You should choose Size 39

Foot length 25.0(cm) = You should choose Size 40

Foot length 25.5(cm) = You should choose Size 41

Foot length 26(cm) = You should choose Size 42

Size Notice:
1.The US size or EUR size maybe different with your country,so please choose the size according to your foot length!
2.If your foot is thick or wide,can choose one size bigger.
3.Mule shoes/cotton shoes/pointed-toe shoes and leather shoes choose to size up for a more comfortable fit