Children's Sizes
6 [3 US]: 3-4 y.o. / 28-33 lbs
8 [4 US]: 5-6 y.o. / 33-38 lbs
10 [5 US]: 7-8 y.o. / 18-22 Inch Waist
12 [6 US]: 9-10 y.o. / 22-26 Inch Waist
14 [7 US]: 11-12 y.o. / 26-30 Inch Waist XS [18 US]: Waist 28-30" / Chest 30-32"
Adult Sizes
S [20 US]: Shirt Size 14-14.5 / Height: 5' 5" / Waist 28-30" / Chest 34-36"
M [22 US]: Shirt Size 15-15.5 / Height: 5' 8" / Waist 34-36" / Chest 38-40"