In-Mold: Lightweight, durable helmet with a long-lasting combination of EPS core and Polycarbonate shell; Ponytail compatibility: Perfect fit for people with long hair; Half-ring: Adjustable ring connected to adjustment system enclosing half of the head; Lower edge protection: Provides the helmet with additional protection from external damage; Excellent ventilation with 7 air inlets and 16 air outlets; Forced Air Cooling: Innovative ventilation system using intelligently arranged air channels in the EPS; High visibility: High visibility due to reflectors; Zoom Ace: Finely adjustable adjustment system with handy adjustment wheel for customisable fit; AirPort: Aerodynamic glasses holder with strap guide