* advanced Fiberglass Composite Shell: Lightweight, superior fit and comfort using advanced CAD technology * “ACS” Advanced Channeling Ventilation System: Full front-to-back airflow flushes heat and humidity up and out * Sun Visor with Wider-Vision: Better peripheral vision, helps to reduce eye strain and excellent sun light blocking | Article: HJC F70 Samos Helmet, black-silver, Size XL | Article: HJC F70 Samos Helmet, black-silver, Size XL, black-silver, Size XL