Sizing Chart

SIZE: CIRCUMFERENCE:
X-SMALL 16 - 18cm / 6" - 7"
SMALL 18 - 21cm / 7" - 8"
MEDIUM 21 - 23cm / 8" - 9"
LARGE 23 - 25cm / 9" - 10"
X-LARGE 25 - 28cm / 10" - 11"