Headset Troy Lee Designs D4 Polyacrylite

The king of full-face helmets, the D4 range has been enriched with a polyacrylite model that offers the same safety and comfort features as the top-of-the-range carbon and composite models in a more compact shell. Details that make the D4 the most coveted full-face helmet in mountain biking include Mips® C2 brain protection, an air intake system for ventilation and an unrivalled anatomical fit.
Mips® C2 Rotational Impact cerebral protection system
Advanced polyacrylite shell construction
Front air intake system, with high-flow polymer center and Power Grid side mesh
Clavicle suspension system
Breakaway visor screw
Antimicrobial padding
3D contoured cheeks with rapide release for optimized anatomical fit