Size Length (cm) Upper Girth (cm) Lower Girth (cm)
Small (Age 7-10) 28 cm 24 - 30 cm 14 - 16 cm
Medium (Age 11-13) 29 cm 26 - 32 cm 16 - 19 cm
Large (Age 14+) 30 cm 28 - 34 cm 18 - 21 cm
XL 31 cm 30 - 39 cm 20 - 23 cm
XXL 32 cm 34 - 41 cm 22 - 25 cm