Small | Medium | Large | Extra Large | |
Men | 2.75" - 3.25" (6.98 cm -8.25 cm) | 3.25" - 3.75" (8.25 cm - 9.52 cm) | 3.75" - 4.25" (9.52 cm - 10.79 cm) | 4.25" - 4.5" (10.79 cm - 11.43 cm) |
Women | 2.25" - 2.75" (5.71 cm - 6.98 cm) | 2.75" - 3.25" (6.98 cm - 8.25 cm) | 3.25" - 3.75" (8.25 cm - 9.52 cm) | 3.75" - 4.25" (9.52 cm - 10.79 cm) |