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 - Carolina Blue17.528
Adult Medium - Carolina Blue18.528
Adult Large - Carolina Blue21.529
Adult XL - Carolina Blue23.531
Adult 2XL - Carolina Blue2532.5