D4 Polyacrylite Mips Shadow Helmet
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The Troy Lee Designs D4 Polyacrylite Mips is the benchmark for full-face helmets for downhill and bike park riding. Advanced polyacrylite shell, Mips® C2 protection, and unparalleled anatomical fit: the same features as high-end carbon models, at a more accessible price.
Protection and Technology
- Mips® C2 System: advanced protection against rotational impacts to protect the brain.
- Advanced Polyacrylite Shell: optimal rigidity and energy absorption for downhill riding.
- Controlled Breakaway Visor Screws: reduces rotational forces in the event of a crash.
Comfort and Ventilation
- Front Ventilation System: high-flow polymer center and Power Grid side mesh for maximum airflow.
- Clavicle Suspension System: increased comfort and stability during technical descents.
- Quick-Release Contoured 3D Cheek Pads: optimal anatomical fit and easy removal.
- Antimicrobial Padding: maintained hygiene and freshness over time.
Size Guide
- XS: 53–54 cm
- S: 55–56 cm
- M: 57–58 cm
- L: 59–60 cm
- XL: 61–62 cm
- 2XL: 63–64 cm





