| Pasaulinis dydis | Galvos apimtis | UK | US |
|---|---|---|---|
| XS | 52 cm | 6 3/8 | 6 1/2 |
| XS | 53 cm | 6 1/2 | 6 5/8 |
| S | 54 cm | 6 5/8 | 6 3/4 |
| S | 55 cm | 6 3/4 | 6 7/8 |
| M | 56 cm | 6 7/8 | 7 |
| M | 57 cm | 7 | 7 1/8 |
| L | 58 cm | 7 1/8 | 7 1/4 |
| L | 59 cm | 7 1/4 | 7 3/8 |
| XL | 60 cm | 7 3/8 | 7 1/2 |
| XL | 61 cm | 7 1/2 | 7 5/8 |
| 2XL | 62 cm | 7 5/8 | 7 3/4 |
| 2XL | 63 cm | 7 3/4 | 8 |
| 3XL | 64 cm | 7 7/8 | 8 1/8 |
