Ultralight Design: Weighing approximately 300g, this helmet offers a featherlight experience, reducing strain on your head and neck for longer, more comfortable rides. Enhanced Safety Materials: Crafted with a durable PC exterior and an EPS, PU foam interior, this integrally-molded helmet provides excellent shock resistance and head protection. Perfect Fit: Designed to fit head sizes ranging from 57-62cm, with a comfortable 22*18cm size and an adjustable nylon belt to ensure a secure and personalized fit. Superior Ventilation: The helmet features an advanced air cooling system, allowing free airflow to keep your head cool and sweat-free even during intense rides. Reflective and Anti-Sweat Features: Equipped with reflective elements for enhanced visibility in low-light conditions and anti-sweat properties to keep you dry and focused on the road.