Arai Helmets XD4 Vision Helmet (Sm White White Frost) - High-flow peak channels air directly into the front vents. Twin-cam Shield Pivot System allows the face shield to operate fully under a peak that can be lowered for better aerodynamics. Can be configured with shield and peak, peak only (for use with goggles) or shield only*. Fully Removable/Replaceable and washable liner with optionalsizes available for a custom fit. 4 top vents. Dual Intake/Dual Exhaust Ventilationdual I/C top intake vents and Double Delta bridged exhaust vents designed to draw significant volumes of air from helmet interior. CLC (Complex Laminate Construction) shellfiberglass composite is stronger and lighterallows use of softer, less-dense liner materials inside for increased rider comfort. Efficient chinbar vent (with interior and exterior controls) flows fresh air to the mouth area or across the shield interior to help prevent fogging. Large chinbar side exhaust vents draw out additional hot air. Meets or exceeds Snell and DOT standards. NOTE: The peak/visor supplied is not suitable for high-speed use where air striking a side or main surface of the peak may cause difficulty in returning the head to a forward and/or level position.