AGE 9 - 12M 12 - 18M 18M - 2Y 2Y - 4Y 4Y - 6Y 6Y - 8Y 8Y-10Y
CHEST 33
35
38
40
43
47 51
Top 42/45 
44/47 47/49  48/51 50/53 52/55 54/56
Bottom 32.5 35.5 37.5  39.5 41 45 46.5 
  40 
43
47
55
61 70 71
EU Size 48 52 57 61 63 84 85
All units are CM.