XS
S
M
L
XL
2XL
Chest (in)
29-31
30-32
34-36
38-40
42-44
46-48
Waist (in)
27-29
28-30
32-33
33-34
36-38
Chest:
Measure under arms around the fullest part of the chest. Be sure to keep tape level across back and comfortably loose.
Waist:
Measure around natural waist with a loose tape.