Troy Lee Designs D4 Polycarbonate MIPS Full Face Helmet

Heavyweight Protection with Lightweight Feel

The Troy Lee Designs D4 Polycarbonate MIPS Helmet brings the professional pedigree of the D-series to a wider range of riders. Built with a specialized polycarbonate shell, this helmet offers the same industry-leading ventilation and safety tech found in the higher-tier models. It is an ideal solution for riders who demand uncompromised safety and iconic TLD styling in a versatile, high-value package designed for local trails and bike parks alike.

• Polycarbonate Shell: A tough, impact-resistant outer shell designed for reliable everyday performance and protection.
• MIPS Brain Protection System: Designed to add protection against the rotational motion transmitted to the brain from angled impacts.
• Internal Air Channels: Deep channeling throughout the EPS liner to ensure heat and moisture are quickly exhausted.
• Fidlock Closure: Magnetic buckle system for quick and secure fastening, even with full-finger gloves.
• Adjustable Visor: Fine-tune your field of vision and accommodate goggles with the easy-to-adjust visor system.
• Safety Standards: Meets CPSC 1203, CE EN1078, ASTM F1952, ASTM F2032, and AS/NZS 2063 safety requirements.