ALPINESTARS SM3 Helmet - Radium - Gloss Black/Red Fluo/White - Large 8300826-1553-L Toe 19" / 81mm Front Mount

19" / 81mm Front Mount Baffle Cutout 5

Full-length TPU inner sole plate for superior riding protection and a dynamic heel-to-toe transition when walking

while the heavy-duty heat-sink and built-in cooling system ensures smooth and consistent performance

hassle-free access to pistols

ALPINESTARS SM3 Helmet - Radium - Gloss Black/Red Fluo/White - Large 8300826-1553-L Toe 19" / 81mm Front MountVaried 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