Size S M L XL 2XL 3XL
HPS Length 28 29 30 31 32 33
Chest Width 19 20 ½ 22 24 26 28

Measurements in inches.

HPS = High Point Shoulder. Measured from the highest point of the shoulder to the bottom of the hem of the shirt.

Chest = Measured across the chest, from seam to seam, on the front side of the shirt only with shirt laying flat. For approximate chest circumference, double the chest width measurement provided in the chart above.