How to measure  XS S M L XL XXL
Total Length (From *HSP) 64 66 69 71 74 78
Half Chest 46 49 52 55 60 64
Sleeve 17.5 19 20 21 22 23.5
  *High Shoulder Point. It's the point where the shoulder seam meets the neckline at the highest part of the shoulder.