One K - Defender Helmet Refit Liner

Removable washable quick-dry, moisture wicking, anti-microbial liner. Swap out for fresh new helmet feeling, or even change sizes of your helmet.

If Used For CONVERSION - See Size Guide

One K Liners are the easy way to refresh your helmet or size up or down for a helmet that doesn’t quite fit.

Available in XS – XXL for adults XS – M for juniors. Round and Long Oval shaped helmets use the same liners.