Men's Shirts:
| XXS | XS | S | M | L | XL | 2XL | 3XL | |
| Chest (inches) | 29-31 | 30-32 | 34-36 | 38-40 | 42-44 | 46-48 | 48-50 | 50-52 |
| Waist (inches) | 27-29 | 28-30 | 30-32 | 32-33 | 33-34 | 36-38 | 40-42 | 44-48 |
Women's Shirts:
| XXS | XS | S | M | L | XL | 2XL | |
| Chest (inches) | 26-28 | 28-30 | 30-32 | 32-34 | 36-38 | 40-42 | 44-46 |
| Waist (inches) | 20-22 | 23-24 | 25-26 | 27-28 | 30-32 | 33-35 | 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 measuring tape.
