Collar Shirt Sizes:
All measurement are in inches (Approximately)
| Age | Collar Size Inch | Height Inch | Chest Size |
| 2-3 Years | 11 | 38 | 22 Inch |
| 3-4 Years | 11.5 | 41 | 24 |
| 5-6 Years | 12 | 44 | 26 |
| 7-8 Years | 12.5 | 46 | 28 |
| 9-10 Years | 13 | 50 | 30 |
| 11-12 Years | 14 | 54 | 34 |
| 13-14 Years | 15 | 58 | 38 |
| 15-16 Years | 16 | 60 | 42 |
| 17 | 46 | ||
| 18 | 48 |
