Features: Shell: made from durable thermoplastic — solid but light. Certification: compliant with ECE 22.06, so it meets current international safety standards. Retention system: micrometric (Microlock) for a secure, quick fit. Ventilation: vents on top for improved airflow. Lining: removable, hypoallergenic — easy to look after. Weight: about 1,250g — light and comfortable for everyday use.