Size chart references garment measurements, not body.
| Relaxed - SHORT (inches) | XS | S | M | L | XL | 2XL | 3XL | 4XL |
| Chest (half measure) | 19.75 | 20.75 | 21.75 | 22.75 | 23.75 | 24.75 | 25.75 | 26.75 |
| Body | 25.25 | 26.25 | 27.25 | 28.25 | 29.25 | 30.25 | 31.25 | 32.25 |
| Sleeve | 9 | 9.25 | 9.5 | 9.75 | 10 | 10.25 | 10.5 | 10.75 |
