Adult
| Pret Helmet Size | XS | S | M | L | XL |
| Head Circumference (cm) | 47 - 51 | 51 - 55 | 55 - 59 | 59 - 62 | 62 - 65 |
Junior
| Pret Helmet Size | XS/S | S/M |
| Head Circumference (cm) | 49 - 54 | 54 - 58 |
Cart
| Pret Helmet Size | XS | S | M | L | XL |
| Head Circumference (cm) | 47 - 51 | 51 - 55 | 55 - 59 | 59 - 62 | 62 - 65 |
| Pret Helmet Size | XS/S | S/M |
| Head Circumference (cm) | 49 - 54 | 54 - 58 |
