Boy Vest Size :
2T: Chest:22.06"/56cm Front Length:14.38"/36.5cm Back Length:12.41"/31.5cm Height:32-35" Weight:23-29lb

3T: Chest:22.85"/58cm Front Length:14.97"38cm Back Length:13"/33cm Height:36-39" Weight:30-35lb

4：Chest:24.43"/62cm Front Length:15.76"/40cm Back Length:13.99"/35.5cm Height:40-43" Weight:36-43lb

5: Chest:26"/66cm Front Length:16.35"/41.5cm Back Length:14.58"/37cm Height:44-47" Weight:44-51lb

6: Chest:27.58"/70cm Front Length:16.94"/43cm Back Length:14.97"/38cm Height:47-50" Weight:52-58lb

7: Chest:29.16"/74cm Front Length:17.93"/45.5cm Back Length:15.96"/40.5cm Height:50-54" Weight:59-66lb

8: Chest:30.73"/78cm Front Length:18.52"/47cm Back Length:16.35"/41.5cm Height:54-57" Weight:67-74lb

10: Chest:32.31"/82cm Front Length:19.31"/49cm Back Length:16.75"/42.5cm Height:57-60" Weight:75-83lb

12: Chest:33.88"/86cm Front Length:19.9"/50.5cm Back Length:17.53"/44.5cm Height:61-63" Weight:84-90lb

14: Chest:35.46"/90cm Front Length:20.69"/52.5cm Back Length:18.52"/47cm Height:64-67" Weight:91-97lb

16: Chest:37.04"/94cm Front Length: 22.26"/56.5cm Back Length:20.09"/51cm Height:66-69" Weight:98-104lb

Notice:
1: There would have around 0.5-1 inches size difference due to different manual measurement.

2:Please be aware that colors might look slightly different in person due to camera quality and monitor settings.