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 - Oxford Grey1727
Adult Medium - Oxford Grey1929
Adult Large - Oxford Grey2129
Adult XL - Oxford Grey2331
Adult 2XL - Oxford Grey2532
Adult 3XL - Oxford Grey2731
Adult 4XL - Oxford Grey30.534
Adult 5XL - Oxford Grey3235
Adult 6XL - Oxford Grey2833.5
Adult 7XL - Oxford Grey3637
Adult 1XLT - Oxford Grey25.534.5
Adult 2XLT - Oxford Grey2634
Adult 3XLT - Oxford Grey28.535.5
Adult 4XLT - Oxford Grey30.536.5
Adult 5XLT - Oxford Grey32.537.5
Adult 6XLT - Oxford Grey3539.5