The reigning king of full-face helmets the D4 range expands with a Polyacrylite model packing the same safety and comfort features as the premium carbon and composite models into a price-conscious shell. Details make the D4 the most coveted full-face in mountain biking including Mips C2 brain protection an air intake system for ventilation and an unmatched anatomical fit.
Mips C2 system and advanced Polyacrylite shell for rotational impact protectionFront air intake with high-flow polymer center and power grid mesh for ventilationCollarbone Suspension System and breakaway visor screws for added safetyAnti-microbial padding and quick-release 3D cheek pads for optimized anatomical fit
| Rotational Protection |
Yes |
| Helmet Certifications |
Complies with the U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older |
| Maximum Head Circumference |
61 |
| Gender/Age |
Adult |
| Minimum Head Circumference |
60 |
| Color |
Shadow Black |
| Size |
X-Large |
| Visor Included |
Yes |
| Multi Impact |
Yes |
| Helmet Style |
Full Face |
| Defined Color |
Black |
