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This helmet is Mips Rated


Troy Lee Designs Canada

D4 Polyacrylite Helmet Stealth Black

D4 Polyacrylite Helmet Stealth Black

Regular price $369.99
Regular price Sale price $369.99
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  • D4 Polyacrylite Helmet Stealth Black

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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

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