shoe size:
24 yards /15.5cm
25 yards /16.0cm
26 yards /16.3cm
27 yards /16.8cm
28 yards / 17cm
29 yards /17.5cm
30 yards /18.0cm
31 yards /19.0cm
32 yards /20.0cm
33 yards /20.5cm
34yards /21.0cm
35 yards /21.5cm
36 yards /22.0cm
37 yards /22.5cm