ARAI XD-4 Helmet - Vision - Black Frost - XS 0140-0173 Clutch Friction Plate They capture particles as small

They capture particles as small as 40 microns

Smooth shell along the Snell test line in the temple area increases the helmet's ability to glance off objects during an impact

Compatible only with stock clutch covers

Acerbis exclusive full coverage design

Rounded chin bar maintains compact shell length resulting in less protrusion

ARAI XD-4 Helmet - Vision - Black Frost - XS 0140-0173 Clutch Friction Plate They capture particles as smallFeatures intermediate oval shape which fits the majority of head shapes in the North American markets Offers three distinct configurations depending on rider preference or riding conditions; change the look every time you ride or even during the same ride FCS cheek pads design delivers comfort and support and features 5 mm peel away custom fit layer Peel away side temple crown pads give the option of 10 mm more interior width if needed Fully