Advanced Polycarbonate Composite Shell with AdjustablePolycarbonate Chinbar: Lightweight, superior fit and comfort using advanced CAD technology. Pinlock Ready HJ-33 Shield: Provides 99% UV protection, Anti-Scratch coated. Dynamic Multi-Step Sun visor for optimized position. Anti-scratch coated sunshield. Cheek pads are Interchangeable throughout all sizes. Glasses grooves can accommodate riders who wear glasses. Anti-fog lens pin prepared shield and includes Pinlock. Ready for SMART 21B & 50B Bluetooth (sold separately).