Brazil Sizing US Sizing CM INCHES 17/18 4 11.43 4.5 19 4.5 12.065 4.75 20 5 12.7 5 21 6 13.97 5.5 22 6.5 14.478 5.7 23/24 7 15.875 6.25 25/26 8 17.145 6.75 27/28 9/10 18.034 7.1 29/30 11 19.685 7.75 31/32 12 20.828 8.2 33/34 Junior1/2 22.225 8.75