Size Guide
| Adult Size | Chest (cm) | Back length (cm) |
| Small | 52 | 72.5 |
| Medium | 54 | 74 |
| Large | 56 | 75.5 |
| XL | 58 | 77 |
| 2XL | 60 | 78.5 |
| 3XL | 62 | 80 |
| 4XL | 64 | 81.5 |
| Junior Size | Chest (cm) | Back length (cm) |
| 3-4 yrs | 33 | 42 |
| 5-6 yrs | 36 | 46 |
| 7-8 yrs | 39 | 52 |
| 9-10 yrs | 42 | 56 |
| 10-11 yrs | 45 | 60 |
| 11-12 yrs | 47.5 | 63 |
| 13 yrs | 50 | 66 |