Alpinestars Missile Tech Solid Downhill Helmet The lightweight and durable Missile Tech helmet was designed specifically for downhill racing. The Missile Tech helmet features 22 vents for maximum airflow and ventilation and features a MIPS system to mitigate the causes of brain injuries such as concussion. Other design features include emergency release system (ERS) padding for quick and safe extraction in the event of an emergency Patented visor release system Removable chin vent for improved airflow and easy cleaning Compatible with hydration kit D-ring. safety clasp and removable and washable polyhyene lining which is integrated into the fabric to combat odors. Features: sleek profile, streamlined and devoid of any external elements which can act as a load point upon impact surface curvature promotes reduced friction upon impact allowing deflection and most effective movement to protect the driver's head. Unique patented visor release system which ensures the mount stays securely in place for riding in the most extreme terrain but at the same time provides the necessary level of resistance. so that the visor detaches from the helmet in the event of a significant impact Optional thicker cheek pads available for a tighter fit 22 vents for maximum airflow and ventilation Removable chin vent for extra airflow Removable air filter on the mouth opening for easy cleaning Ventilated chin strap for extra airflow when riding wide opening designed to accommodate a variety of safety glasses compatible with humidification kit technical characteristics: carbon and fiberglass Weight: ± 1020 g clasp: double D two outer shell sizes and three EPS sizes MIPS to reduce the causes of traumatic brain injury ERS system for fast and safe extraction in emergency situations Contents: 1x Alpinestars Missile Downhill Helmet 1x Helmet Bag