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 1727
Adult Medium 2029
Adult Large2229
Adult XL 23.530.5
Adult 2XL2531
Adult Small - Turquoise
Adult Medium - Turquoise19.528
Adult Large - Turquoise
Adult 2XL - Turquoise25.531