The ALPINESTARS MTB Helmet Missile Pro Solid is designed for the avid downhill rider who craves both performance and protection. Crafted to be lightweight yet durable, this helmet ensures optimal safety without weighing you down. Featuring 22 vents, this helmet guarantees maximum airflow to keep you cool during your most intense rides. The innovative Emergency Release System (ERS) provides added security, allowing for quick and safe helmet removal in case of an accident. Additionally, it includes a removable chin vent for adjustable ventilation. For convenience, this helmet is also compatible with hydration systems and is equipped with a D-ring safety buckle for a secure fit.