| UK / EU | US | Chest Size (inches) | Collar Size (inches) | Sleeve Length (inches) |
| S | - | 42.5 | 15.5 | 25.2 |
| M | S | 45 | 16.3 | 26 |
| L | M | 47.2 | 17.1 | 26 |
| XL | L | 49.6 | 18 | 26 |
| XXL | - | 52 | 18.7 | 26 |
| 3XL | XL | 54.3 | 19 | 26 |
| 5XL | 2XL | 59 | 19.9 | 26 |
| UK / EU | US | Chest Size (inches) | Collar Size (inches) | Sleeve Length (inches) |
| S | - | 42.5 | 15.5 | 25.2 |
| M | S | 45 | 16.3 | 26 |
| L | M | 47.2 | 17.1 | 26 |
| XL | L | 49.6 | 18 | 26 |
| XXL | - | 52 | 18.7 | 26 |
| 3XL | XL | 54.3 | 19 | 26 |
| 5XL | 2XL | 59 | 19.9 | 26 |