Troy Lee Designs – D4 Polyacrylite Linear MIPS Helmet (MTB)

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 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
Quick release contoured 3D cheek pads for anatomically optimized fit