baby boots

0 - 6 months = size 17/18 = 11.5 cm
6 - 12 months = size 19/20 = 12.5 cm
12 - 18 months = size 21/22 = 13.5 cm
18 - 24 months = size 23/24 = 14.5 cm
24 - 36 months = size 25/26 = 15.5 cm
36 - 48 months = size 27/28 = 16.5 cm