Size Chart: 
Chest (in): S 34-36, M 38-40, L 42-44. XL 46-48, 2X 48-50
Waist (in): S 30-32, M 32-33, L 33-34, XL 36-38, 2X 40-42
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 measuring tape. This sizing chart is approximate.
