One K Defender Refit Liner
Two helmet shells make up all sizes. The base shells for the Defender are Medium and Large.
Use a Medium size helmet with a Small or XSmall liner to change the fit to Small or XSmall.
Use a Large size helmet with an XLarge or XXLarge liner to change the fit to XLarge or XXLarge.
We Also Recommend
FITS ThermaMAX TechTread Winter Full Seat Breeches
Aubrion Kiska Short Sleeve Baselayer By Shires Equestrian