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 - Black17.526
Adult Medium - Black18.528.5
Adult Large - Black21.529.5
Adult XL - Black2330.5
Adult 2XL - Black25.532
Adult 3XL - Black2833
Adult Small - Black1827
Adult Medium - Black19.528
Adult Large - Black21.529
Adult XL - Black2331
Adult 2XL - Black2531
Adult 3XL - Black2832