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Arai XD4 Cover Helmet

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Arai XD 4 Cover Helmet Review and Sizing Info from STG

  • Arai XD4 Vision Helmet Sizing We feel the Arai XD4 Vision Helmet has an Intermediate Oval Shape, while offering a comfortable fit with an easy on / off effort as compared to other race style helmets.
  • Arai XD4 Vision Helmet Certification Snell 2020 and DOT Approved.

Information from Arai Helmets:

Offering three distinct configurations, allowing the user to choose which works best for their riding needs, the new XD4 is similar in appearance to the previous XD3, but greatly improved in all-around performance. The combination of the new comfort headliner, with microfitting 5mm peel-away temple pads, and our patent-pending FCS® cheek pad design, also with 5mm peel away layers, add a new dimension to the concept of helmet fit and customization. It takes a unique sense of commitment to continually strive to improve your product – especially when it's already regarded as the very best.

Arai XD4 Vision Helmet Fitment

Arai XD4 Vision Helmet Fitment

Intermediate Oval: Arai is the only company offering multiple interior-fit shapes to better address the infinite variety of rider's head shapes and sizes. The Arai XD4 uses their Intermediate Oval interior fit shape. Arai's Intermediate Oval shape is a little shorter front-to-back and a little wider side-to-side, compared to their Long Oval shape.

Arai XD4 Vision Helmet Technical Features:

Arai XD4 Vision Helmet FCS Cheek Pads

Arai XD4 Vision Helmet FCS Cheek Pads: Arai's patented FCS® Cheek Pad design delivers comfort and support, and it features our exclusive 5mm peel-away custom-fit layer.

Arai XD4 Vision Helmet Chin Vent

Arai XD4 Vision Helmet Chin Vent: The vent has more intake ports for improved airflow.

Arai XD4 Vision Helmet 5mm Peel-Away Side-Temple Pad

Arai XD4 Vision Helmet 5mm Peel-Away Side-Temple Pad: Arai's exclusive peel-away side/temple crown pads give you the option of 5mm more of interior width if needed. Yet another level of fit customization no other helmet brand offers.

Arai XD4 Vision Helmet Fully Removable/Replaceable/Washable Interior

Arai XD4 Vision Helmet Fully Removable/Replaceable/Washable Interior: Arai's Dry-Cool® technology keeps you drier and cooler (hence the name) for greater long-haul comfort.

Arai XD4 Vision Helmet Larger Side Cowl Vents

Arai XD4 Vision Helmet Larger Side Cowl Vents: The larger, sculpted vents improve ventilation efficiency as well as helmet stability on your head at speed.

Arai XD4 Vision Helmet Exhaust Ports & Shell Shap

Arai XD4 Vision Helmet Exhaust Ports & Shell Shape: These top-diffuser-vent ports nearly double the XD4's airflow, while its shell shape provides better aerodynamic stability at higher street speeds in concert with its high-flow peak and side cowl vents.

Arai XD4 Vision Helmet Brow Vent Faceshield

Arai XD4 Vision Helmet Brow Vent Faceshield: Brow vents in the XD4 faceshield provide airflow to the temple area of the head.

Arai XD4 Vision Helmet Emergency Cheek Pad Release System

Arai XD4 Vision Helmet Emergency Cheek Pad Release System: Developed to allow easier access to an injured rider, the XD4's cheek pads slide out easily – via the integrated pull-tabs built into the underside of the cheek pad – making helmet removal much easier for trained medical personnel.

Other Features:

  • 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 optional sizes available for a custom fit
  • Ventilation
    • 4 top vents
    • Dual Intake/Dual Exhaust Ventilation
    • Dual I/C top intake vents
    • Double Delta bridged exhaust vents designed to draw significant volumes of air from helmet interior
  • CLC (Complex Laminate Construction) shell fiberglass composite is stronger and lighter and allows 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 2020 and D.O.T. standards
  • 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