| XS | S | M | L | XL | XXL | C1 | |
| A | 53 cm/20.8" | 55 cm/21.6" | 57 cm/22.4" | 59 cm/23.2" | 62 cm/24.4" | 64 cm/25.1 | 66 cm/25.9" |
| B | 61cm/24" | 61.5 cm/24.2" | 62 cm/24.6" | 62.5 cm/24.6" | 63 cm/24.8" | 63.5 cm/25" | 64 cm/25.1" |
| C | 52 cm/20.4" | 53.5 cm/21" | 55 cm/21.6" | 57.5 cm/22.6" | 59cm/23.2" | 61 cm/24" | 63 cm/24.8" |
| D | 38 cm/14.9" | 38.5 cm/15.1" | 39 cm/15.3" | 39.5cm/15.6" | 40 cm/15.7" | 40.5 cm/15.9" | 41 cm/16.1" |
