Refresh the interior of your helmet with the FXR Youth Apex MX Helmet Liner. Designed as a direct replacement for the original liner, it helps restore the comfortable, secure fit young riders need for track and trail riding. The hygienically treated, moisture-wicking construction helps manage sweat and interior moisture during active rides. Fully removable and washable, the liner makes regular cleaning simple while helping keep the Youth Apex MX Helmet feeling fresh ride after ride.