Sizing as as follows with the inches given to approximately the starting point to how much it stretches comfortably

*SMALL
Chest- from 27 to 32 inches around
Waist-24 - 30 inches
Length of shirt- 22 inches
Sleeve length-22 inches
Shoulder width-13 inches

*MEDIUM
Chest- 28 to 34 in
Waist- 25 - 30 in
Length- 22 in
Sleeve- 22 in
Shoulder- 13.4- 18in

*LARGE
Chest- 30-36
Waist 26 - 31
Length 23in
Sleeve 23in
Shoulder 13.8 - 18.8

*XL
Chest 34-38 in
Waist 28 -35

2XL

Bust:39 - 43.31"

Shoulder:15.75"

Sleeve Length:24.41"

Length:25.98"

3XL

Bust:41.34 - 45.28"

Shoulder:16.14"

Sleeve Length:24.80"

Length:26.38"