Measurement (In Inches) 12-18m 18-24m 2-3Y 3-4Y 4-5Y 5-6Y
PTP  12.0" 12.5" 13.0" 13.5" 14.0" 14.5"
Shoulder 9.75" 10.25" 10.75" 11.25" 11.75" 12.25"
Length 15.0" 15.5" 16.0" 16.5" 17.0" 17.5"