Width is measured across the chest below the sleeves from seam to seam. Height is measured from the bottom of the shirt to the highest point on the shoulder (where the seam meets the neck).

Please note that each product has its own specific sizing chart.
SizeWidth (inches)Height (inches)
Adult Small - Military Green 17.527
Adult Medium - Military Green 1928.5
Adult Large - Military Green 2230.5
Adult XL - Military Green 22.531
Adult 2XL - Military Green 2631
Adult 3XL - Military Green 28.533
Adult Small - Military Green
Adult Medium - Military Green
Adult Large - Military Green 21.529.5
Adult XL - Military Green 23.530
Adult 2XL - Military Green