Your Irvine Shirt is a classic cut. Not too slim and not too baggy, it is darted at the back to give you a flatter front - but with room for you to breath, and sit down without it gaping.
| Collar INCH | 15" | 15.5" | 16" | 16.5" | 17" | 17.5" | 18" |
| Collar CM | 38 | 39 | 41 | 42 | 43 | 44 | 45 |
| Chest INCH | 36" | 38" | 40" | 42" | 44" | 46" | 48" |
| Chest CM | 91.5 | 96.5 | 101.5 | 106.5 | 111.5 | 116.5 | 121.5 |