Louis Garneau - HG Diamond 2 Helmet Super MSB Technology: Ring-shaped plastic protection at the base of the helmet reinforces the perimeter for enhanced protection Exo-Insert technology: Lightweight inner plastic reinforcement spreads the shock of impact and helps maintain the helmet's structure Composite reinforcement: Lightweight composite skeleton provides structural support and integrity on impact Evacuation Channels: Moisture channels provide better airflow and moisture wicking Spiderlock PRO II: Helmet stabilizing system featuring a polymer neck support. It can be easily tightened on the head using only one hand, thanks to its dented anti-slip wheel. Its inclination can be adjusted to several positions