Size	Chest (in)	Waist (in)
S	36-37	28-30
M	38-39	31-32
L	40-41	33-34
XL	42-43	36
XXL	44-45	38-40

How to Measure:

• To measure your chest circumference, simply place the tape measure under your arms and measure at the fullest part of your chest.
• To measure your natural waistline which is just above your hips, simply place the tape measure on the lower part of your stomach and measure your waist at its widest point.