Size chart:
19-12.5 / 20-13 / 21-13.5 / 22-14 / 23-14.5 / 24-15 /
25-15.5 / 26-16.5 / 27-17 / 28-17,5 / 29-18 / 30-18.9 /
31-20 / 32-20.5 / 33-21 / 34-22 / 35-22.5 / 36-23 cm.