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 - Faded Yellow17.526
Adult Medium - Faded Yellow19.528
Adult Large - Faded Yellow21.529.5
Adult XL - Faded Yellow23.530.5
Adult 2XL - Faded Yellow2630