Please refer to measurements.
-Size Small = Size 8 measures 38 inches around chest, this is a good fit for person with 34 inch chest or less.
-Size Medium = Size 10 measures 40 inches around chest, this is a good fit for person with 36 inch chest or less.
-Size Large = Size 12 measures 42 inches around chest, this is a good fit for person with 38 inch chest or less.
-Size XLarge = Size 14 measures 44 inches around chest, this is a good fit for person with 40 inch chest or less.
-Size XXLarge = Size 16 measures 48 inches around chest, this is a good fit for person with 44 inch chest or less.
-Size XXXLarge = Size 18 measures 50 inches around chest, this is a good fit for person with 46 inch chest or less.
Size 16 will have 16, XXL, or a 1 on the size label.
Size 18 will have 18, XXXL or a 2 on the size label.
Length from top of shoulder down to hem approx 41 inches.