Size Chest Length Age
14 7.5 11.5 0-6 months
14 8 13 6-9 months
16 8 14 9-12 months
18 10 15 1-2 years
20 10 16 2-3 years
22 11 17.5 3-4 years
24 11 20 5-6 years
26 12.5 21 7-8 years
28 13 22 8-9 years
30 14 22.5 10-11 years
32 14.5 24.5 12-13 years
34 15 25.5 14-15 years