ATLAS 4.0 CARBON is the fourth generation of the ATLAS full-face motorcycle helmet. This iconic Carbon fiber helmet features a super-tough lightweight shell, ultra-wide field-of-view and RHEON impact technology integrated into the plush multi-density interior liner. With DOT FMVSS 218 & ECE 22.06 certification and compatibility with our full Bluetooth audio with our Shockwave unit, the ATLAS 4.0 CARBON is the ultimate street helmet