| Sizes | S | M | L | XL | |
|---|---|---|---|---|---|
| Length (in.) | 6.6 - 7.2 | 7 - 7.6 | 7.5 - 8 | 7.9 - 8.3 | |
| Length (cm) | 16.8 - 18.2 | 18 - 19.2 | 19 - 20.2 | 20 - 21.2 | |
| Width - Full circumference (in.) | 7.25 - 7.75 | 7.75 - 8.25 | 8.25 - 8.8 | 8.8 - 9.4 | |
| Width - Full circumference (cm.) | 18.4 - 19.7 | 19.7 - 21 | 21 - 22.4 | 22.4 - 24 |
