| Size | Size Info | Garment Sizing |
| 3-4yr | To fit 63.5cm / 25" chest | 34cm / 13.5" across chest from 2cm under arm |
| 5-6yr | To fit 68.5cm / 27" chest | 36cm / 14" across chest from 2cm under arm |
| 7-8yr | To fit 73.5cm / 29" chest | 40cm / 15.5" across chest from 2cm under arm |
| 9-11yr | To fit 81.5cm / 32" chest | 44cm / 17.5" across chest from 2cm under arm |
| 12-13yr | To fit 84cm / 33" chest | 47cm / 18.5" across chest from 2cm under arm |
| XS | To fit 86.5cm / 34" chest | 49cm / 19.5" across chest from 2cm under arm |