ION - Helmets
| Size | Internal circuit | Inside length | Internal width |
|---|---|---|---|
| XS | 54cm | 19.7cm | 14.8 cm |
| S | 56cm | 20.0cm | 15.1 cm |
| M | 58cm | 20.6 cm | 15.6 cm |
| L | 60cm | 21.0cm | 16.15cm |
| XL | 61cm | 21.2 cm | 16.4 cm |
| XXL | 62cm | 21.4 cm | 16.6cm |
Sporty wodne
| Size | Internal circuit | Inside length | Internal width |
|---|---|---|---|
| XS | 54cm | 19.7cm | 14.8 cm |
| S | 56cm | 20.0cm | 15.1 cm |
| M | 58cm | 20.6 cm | 15.6 cm |
| L | 60cm | 21.0cm | 16.15cm |
| XL | 61cm | 21.2 cm | 16.4 cm |
| XXL | 62cm | 21.4 cm | 16.6cm |