Shell: thermoplastic shell in 1 size, with a lacquer for protection against UV. Inner lining: hypoallergenic, antibacterial, removable and washable. Ventilation: an anti-fog vent at the front and two in the shell for better airflow inside. Visor: scratch resistant, with UV protection and a tool-free quick-change system. Buckle: micrometric ratchet type for a correct fit and easy opening. Specification: ECE 22.05. Features: aerodynamic design and removable spoiler. Weight: 1500 g.