Size Guide
| ADULT | 1/2 CHEST | JUNIOR | 1/2 CHEST | BABY | 1/2 CHEST |
| XS | 46cm | 3-4 | 33cm | 0-3 | 22cm |
| S | 49cm | 5-6 | 35cm | 3-6 | 24cm |
| M | 52cm | 7-8 | 37cm | 6-12 | 26cm |
| L | 55cm | 9-11 | 41cm | 12-18 | 28cm |
| XL | 58cm | 12-14 | 44cm | ||
| XXL | 61cm |
| ADULT | 1/2 CHEST | JUNIOR | 1/2 CHEST | BABY | 1/2 CHEST |
| XS | 46cm | 3-4 | 33cm | 0-3 | 22cm |
| S | 49cm | 5-6 | 35cm | 3-6 | 24cm |
| M | 52cm | 7-8 | 37cm | 6-12 | 26cm |
| L | 55cm | 9-11 | 41cm | 12-18 | 28cm |
| XL | 58cm | 12-14 | 44cm | ||
| XXL | 61cm |