Size 16: inner length 12.2cm ± 0.3cm

12.7cm±0.3cm in size 17

13.2cm±0.3cm in size 18

Size 19, inner length 13.6cm±0.3cm

13.9cm±0.3cm inside size 22

14.2cm±0.3cm in size 23

14.6cm±0.3cm within size 24

15.1cm±0.3cm within 25 yards

15.6cm±0.3cm inside size 26

16.2cm±0.3cm in size 27

17cm±0.3cm inside size 28

17.7cm±0.3cm in size 29

18.2cm±0.3cm within 30 yards

Choose the inner length of the shoe according to the foot length plus 0.5-1cm