Advanced Polycarbonate Composite Shell: lightweight and tough. Fully-adjustable, aero-tuned visor that reduces lift at high speeds. Ventilation system. Moisture-wicking and breathable chin strap, liner and cheek pads. Easily removable and washable liner and cheek pads. Provides maximum visibility, fits all goggles. Strap grip keeps goggle strap in place. Snell M2005 and D.O.T. certified.