Fly 9mm Helmet Replacement liner.
Use to adjust fitment of your helmet.
Below stock sizes are grouped in 3 helmet shell sizes.
You can interchange within the same shell size and maintain a perfect liner fitment in the helmet while adjusting the fitment for your head.
Stock Liners: Below grouped in 3 helmet shell sizes.
Liner XS 12mm
Liner Small 9mm
Liner Medium 6mm
Liner Large 9mm
Liner XL 6mm
Liner 2XL 3mm
Liner 3XL 9mm
Liner 4XL 6mm
Liner 5XL 3mm
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