New arrival
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.
| 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 | 59, 61 |
| Gender/Age | Adult |
| Minimum Head Circumference | 58, 60 |
| Color | Liinear Black |
| Size | Large, X-Large |
| Visor Included | Yes |
| Multi Impact | Yes |
| Helmet Style | Full Face |
| Defined Color | Black |
| keyword search | Softgoods Discounts |
D4 Polyacrylite Helmet Linear Black