Take your downhill and enduro performance to the next level with the Troy Lee Designs D4 Polyacrylite Helmet Mips. The renowned D4 range now brings premium safety and comfort into a Polyacrylite shell, offering the same race-proven features as the flagship carbon models at a more accessible price.

Highlights

• Mips C2 rotational impact protection – reduces rotational forces transferred to the brain during angled impacts.
• Advanced Polyacrylite shell – lightweight yet robust construction that meets rigorous safety standards.
• Efficient ventilation – the front air intake system channels fresh air, keeping you cool on long descents.
• Anatomical fit – sculpted interior padding ensures a secure, supportive fit without pressure points.
• Race-inspired design – iconic Troy Lee Designs styling with attention to detail.

Why choose the D4 Polyacrylite?

Whether you're smashing bike park laps or racing enduro, the D4 Polyacrylite delivers top-tier protection and confidence-inspiring performance. Its Polyacrylite shell brings the legendary D4 fit and Mips technology into a durable package that doesn't compromise on safety or style. Choose from bold colour options like Romaer Magenta and The Line Fire White to match your kit.