ALPINESTARS SM5 Helmet - Bond - Black/Red/Cyan - XL 8303522-1377-XL Gas Cap Gasket micro adjustments and a quick-release/locking

micro adjustments and a quick-release/locking system

NOTE: Both "Upper" and "Lower" R1 Velocity Stacks are designed to work togehter

For the serious ATV rider

Highly breathable mesh lining improves comfort and breathability

organic shape and uses Peripherally Belted Complex Laminate Construction (PB-cLc2) for lightweight strength and integrated side ducts

ALPINESTARS SM5 Helmet - Bond - Black/Red/Cyan - XL 8303522-1377-XL Gas Cap Gasket micro adjustments and a quick-release/lockingLightweight outer shell is constructed from a technologically advanced impact resistant thermoplastic The inner and outer surfaces are engineered to minimize the effects of oblique impacts Multiple density inner liner to ensure the correct density in the correct area for enhanced impact absorption Patented visor release system ensures the visor is released with the correct predetermined amount of force, irrespective of the angle of impact Maximized