Kid's KGB Life Jacket Size Guide
Size  Chest Weight
CM
Inch 
KGS
LBS
2 - 3 75 29.5 10 -15  22 - 33
4 - 6 81 31.8 15 - 25 33 - 55
6 - 10 84 33 25 - 40 55 - 88
8T 72 28.3 15 - 25 33 - 55
10T 76 29.9 25 - 40 55 - 88
12T 80 31.4 25 - 40 55 - 88
14T 85 33.5 40 - 60 88 - 132