Boyswear | Koko Tenar kids
| Size in centimeters | Chest width | Blouse length | Age (approximately) |
| 1 | 32 | 41 | 1 |
| 2 | 33 | 45 | 2 |
| 3 | 34 | 46 | 3 |
| 4 | 38 | 50 | 4 |
| 5 | 40 | 54 | 5 |
| 6 | 44 | 57 | 6 |
| 7 | 45 | 61 | 7 |
| 8 | 46 | 65 | 8 |
| 9 | 48 | 67 | 9 |
| 10 | 49 | 72 | 10 |
| 11 | 51 | 74 | 11 |
Boyswear | Koko Tenar kids
| Size in centimeters | Chest width | Blouse length | Age (approximately) |
| 1 | 32 | 41 | 1 |
| 2 | 33 | 45 | 2 |
| 3 | 34 | 46 | 3 |
| 4 | 38 | 50 | 4 |
| 5 | 40 | 54 | 5 |
| 6 | 44 | 57 | 6 |
| 7 | 45 | 61 | 7 |
| 8 | 46 | 65 | 8 |
| 9 | 48 | 67 | 9 |
| 10 | 49 | 72 | 10 |
| 11 | 51 | 74 | 11 |
