Sizing Chart - Alpha Series

For Chest :  Measure 1 inch below armpits.

Measure	Chest (inch)	Shoulders (inch)
M	39-40	18.5
L	41-42	19.5
XL	43-44	20.5
XXL	45-46	21.5

 

For Shoulder width : Measure distance from left shoulder to right shoulder. Specifically, where the shoulder curves to arm. Shoulders to be in relaxed position.