ALPINESTARS SM5 Helmet - Bond - Black/Red/Cyan - XL 8303522-1377-XL Gas Cap Gasket 4 lbs Stock DB at

4 lbs Stock DB at Idle 78db

wave washer

Highly breathable mesh lining improves comfort and breathability

The base of the Supertech M8 helmet has been sculpted to give a relief section

Knuckle panel with perforated gusset construction to increase flexibility

ALPINESTARS SM5 Helmet - Bond - Black/Red/Cyan - XL 8303522-1377-XL Gas Cap Gasket 4 lbs Stock DB atLightweight 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