Excellent head protection on the trail: high-quality off-road helmet with a durable combination of EPS and PC shell - customised fit thanks to the Zoom Ace adjustment system with adjustment wheel Safe at high speeds: reliable head protection thanks to structural reinforcement in the EPS and Multi-directional Impact Protection System (MIPS) for better cushioning in the event of an angled impact Finely tuned ventilation system: ideal ventilation thanks to 5 air inlets and 7 air outlets, connected by flow channels Details: unisex off-road helmet for adults - size in centimetres corresponds to the wearer's head circumference