Lightweight mountain bike helmet that features an In-Mold shell for durable fusion of the outer shell and the shock absorbing helmet material (EPS) and provides good ventilation with 5 air inlets and 7 outlets, connected by deep air stream channels. It also features the Zoom Ace fine adjustment system with handy dial and half-surrounding plastic ring. The ActiCage structural reinforcement is integrated into the EPS to optimize stability and lower edge protection provides the helmet with additional protection from external influences. The helmet is suitable even for people with long hair. Size: M. Head size: 52-57 cm. Weight: 280 g. Velvet Black colour design.