One K Defender Helmet Liner Size:Large Durable open-cell foam

Durable open-cell foam

euro seat and is the pinnacle of fit and comfort

and slip-free support

Don't forget rein stops

93% polyester/7% spandex

One K Defender Helmet Liner Size:Large Durable open-cell foamDescription Sizing Replacement liners for One K Defender helmets. If the helmet isn't fitting quite right the liner that comes with it can easily be swapped out for a different size for a perfect fit. See sizing for restrictions on which liner size can go in which shell size. Note: These liners fit in the long oval shaped helmets as well. One K Size Helmet Size Head Circumference (in) Compatible Shell X Small 6 3 8 6 1 2 19 20 XS, SM, or MD Small 6 5