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.

Size Width (inches) Height (inches) Adult Small - Black 17 27.5 Adult Medium - Black 19 29 Adult Large - Black 21 30 Adult XL - Black 23 30.5 Adult 2XL - Black 25 31.5 Adult 3XL - Black 27 33.5 Adult Small - Black 17 27 Adult Medium - Black 19 28 Adult Large - Black 21 29.5 Adult XL - Black 23 30 Adult 2XL - Black 25 31 Adult 3XL - Black 27 32