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 Large - Gray Heather 21.5 29 Adult XL - Gray Heather 23 30 Adult 2XL - Gray Heather 25 31 Adult Small - Gray Heather 18 26 Adult Medium - Gray Heather 19 27 Adult Large - Gray Heather 22 29 Adult XL - Gray Heather 23.5 30 Adult 2XL - Gray Heather 25 31