Multiple Points of Ventilation Multiple Points of Ventilation with Chin, Rear & Forehead Vents Liner & Cheek Pads Removable and Washable Liner and Cheek Pads with Double D-Ring Chin Strap Multicolor Replacement Shields ** Sold Separately ** All Colors Might Not be Available for Specific Models Aerodynamic Design Aerodynamic Shell Design Constructed Using Advanced Lightweight ABS Customer Reviews Price Replacement Shields * Sold Separately * Sold Separately * Sold Separately * Sold Separately * Sold Separately