Lyle & Scott sizes 12 - 24 month
| Approximate age | Child's height | Child's chest (around) | Child's waist (around) |
| 12 month | 80 cm | 49 cm | 50 cm |
| 18 month | 86 cm | 51 cm | 51 cm |
| 24 month | 92 cm | 53 cm | 53 cm |
Lyle & Scott sizes 2 - 15 year
| Approximate age | Child's height | Child's chest (around) | Child's waist (around) |
| 2-3 year | 92-98 cm | 53-55 cm | 52-53 cm |
| 3-4 year | 98-104 cm | 55-57 cm | 53-54 cm |
| 4-5 year | 104-110 cm | 57-59 cm | 54-55 cm |
| 5-6 year | 110-116 cm | 59-61 cm | 55-57 cm |
| 6-7 year | 116-122 cm | 61-63 cm | 57-58 cm |
| 8-9 year | 128-134 cm | 65-69 cm | 59-61 cm |
| 10-11 year | 140-146 cm | 72-75 cm | 62-63 cm |
| 12-13 year | 152-158 cm | 79-83 cm | 64-65 cm |
| 14-15 year | 164-166 cm | 87-89 cm | 67-69 cm |