Premium helmet for maximum speed, comfort, and ventilation Key Features: Lightweight and Aerodynamic: At 24% lighter and 2.3% more aerodynamic than its predecessor, the Vento Kineticore offers superior performance without compromising on comfort. Enhanced Protection: Built with 5-Star Protection Technology featuring the top-rated Lazer KinetiCore, this helmet reduces the risk of injury from both direct and rotational impacts. Precise Fit: The ScrollSys belt provides easy and secure adjustments on the move. Aerodynamic Design: Designed in a sprint position at a 15-degree angle, this helmet maximizes aerodynamic performance. Advanced Ventilation: With 13 ventilation channels, the Vento Kineticore keeps you cool and comfortable even during intense rides. Technical Specifications: Head Circumference: S (52 - 56 cm), M (55 - 59 cm), L (58 - 61 cm) Weight: 290g (size medium) Materials: EPS Foam, Polycarbonate, Nylon Fit System: ScrollSys Ventilation: 13 vents Rotational Protection: Lazer KinetiCore Certification: CPSC, EN 1078