| Mărime | Circum. capului (IN) |
| XS | 18.8 - 20" |
| S | 20 - 21.6" |
| Mărime | Circum. cap (CM) |
| XS | 48 - 51 cm |
| S | 51 - 55 cm |
Ghid Mărimi Casca de schi K2 Illusion Kids
| Mărime | Circum. capului (IN) |
| XS | 18.8 - 20" |
| S | 20 - 21.6" |
| Mărime | Circum. cap (CM) |
| XS | 48 - 51 cm |
| S | 51 - 55 cm |