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 - Earthtone Orange1827
Adult Medium - Earthtone Orange2028
Adult Large - Earthtone Orange22.529.5
Adult XL - Earthtone Orange24.531.5
Adult 2XL - Earthtone Orange25.530