- Advanced Lightweight Polycarbonate Composite Shell - Superior Fit and Comfort Using Advanced CAD Technology - Complete with Dual Lens Shield and Breath Guard - RapidFire Shield Replacement System for Quick, Secure, Tool-less Removal and Installation (HJ-09] - 2-Stage shield closure mechanism - Multiple optional shields available - "ACS" Advanced Channeling Ventilation System - Full Front to Back Airflow Flushes Heat and Humidity Up and Out - Removable and Washable Interior - SpeedCool Anti-Bacterial Moisture- Wicking and Odor-Free Fabric - Meets or Exceeds SNELL 2010 and DOT standards