Finished chest measurements:
0 - 6 months: 18.5” (47 cm)
6 months - 2 years: 20 1/4” - 22 3/4” (51.5 cm -58 cm)
2 - 3 years: 24 1/2” (62 cm))
4 - 7 years: 27-28 1/2” (68.5 - 72.5 cm)