SIZE CHART:
Small (size 4-6) fits chest size of up to 40 inches
Medium (size 6-10) fits chest size of 44 inches
Large (size 10-14) fits chest size of 48 inches
X-Large (size 14-18) fits chest size of 52 inches
2X-Large (size 18-22) fits chest size of 56 inches
3X-Large (size 22-26) fits chest size of 60 inches