ALPINESTARS SM3 Helmet - Radium - Gloss Black/Red Fluo/White - XL 8300826-1553-XL Outer Experience simplicity and style seamlessly

Experience simplicity and style seamlessly integrated into one sleek panel

Shape of the windshield may vary upon year and model of bike

9mm/N BL Factor 4

now upgraded with our precision-tuned ScaleX Polycarbonate™ optics for ultra-clear vision in dynamic light

ALPINESTARS SM3 Helmet - Radium - Gloss Black/Red Fluo/White - XL 8300826-1553-XL Outer Experience simplicity and style seamlesslyVaried thickness shell construction for optimized protection and light weight Optimized for MX, Enduro, and Offroad use Delivers blend of performance, protection, and comfort Key Features Features thermo injected shell incorporating a polymer blend enhanced by varying degrees of thickness that is engineered to deliver the optimal combination of impact protection and light weight Lightweight outer shell is constructed from impact resistant