The undisputed king of full-face helmets, the D4 series, is now expanded with a polyacrylite model that packs the same safety and comfort features as the premium carbon and composite models into a budget-friendly shell. Details make the D4 the most sought-after full-face helmet in mountain biking, including the Mips® C2 brain protection system, an air intake system for ventilation, and an unparalleled anatomical fit.

• Mips® C2 rotational impact brain protection system
• Advanced polyacrylite shell construction
• Front air intake system with high airflow through the polymer center and power grid side mesh
• Clavicle protection system
• Breakaway visor screws
• Antibacterial padding
• Quick-release contoured 3D cheek pads for an anatomically optimized fit.