OneK Defender Helmet Liners samshield allowing them to always have

allowing them to always have a clean liner

creating a soothing far infrared thermal effect

No pressure on palate

Quarter Cracks

hang to dry

OneK Defender Helmet Liners samshield allowing them to always haveIf a One K Helmet does not come in your size, you can easily change the liner for a perfect fit. Our liners also provide ultimate flexibility for growing children, shared helmets, or women who wear hair differently for schooling and show! Three shells make up all sizes. The base shells are Medium, Large and X Large. Use the Medium size helmet with a Small or X Small liner to change the fit of the Medium helmet into a Small or X Small. Use the Large