The Zamp RZ-67D Carbon is built for serious drivers who demand comfort, airflow, and cutting-edge technology. The 67D is also a very suitable helmet for sports car racing and open cockpit cars. The chin curtain and breath deflector are easily removed for drivers not needing added protection from dust and dirt.  Key Features:      DDAIR-SYSTEM - New 360° Dual-Density Air Channeling for superior forced air cooling.         Large Weave Carbon Mix Shell - Ultra-lightweight & durable         28 Series Color-Matched Interior - Premium color-coordinated plush, removable, washable, fire-retardant crown liner and cheek pads         Dual Chin Curtains - Extra protection, dust & fog reduction         Advanced Aerodynamics - Large front lower spoiler, adjustable rear spoiler included         Top Air System - Pre-installed threads for easy top air installation         Z-20 Series Clear Anti-Fog Shield - Pre-installed with dirt seal and tensioning tear-off posts, compatible with 12.125" banana-style tear offs or Z Optics P208Z Tear Offs         Hydration Ready - Built-in chin bar hydration port         Audio Ready - Pre-Installed ear cups for communication integration         M6 Inserts - Head & Neck Restraint compatible         Snell SA2025 Approved