THE REIGNING KING OF FULL FACE HELMET 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. FEATURES Mips® C2 Rotational Impact Brain Protection System Advanced Polyacrylite shell construction Front air intake system, with high flow through polymer center and power grid side mesh Collarbone Suspension System Breakaway visor screws Anti-microbial padding Weight: 1150G Quick release contoured 3D cheek pads for anatomically optimized fit Size Head Circumference X-Small 53-54cm Small 55-56cm Medium 57-58cm Large 58-59cm X-Large 60-61cm 2X-Large 62-63cm *Headliners and cheek pads can be interchanged within the same EPS size.
