Premium Protection at a Price That Makes Sense

The Troy Lee Designs D4 Polyacrylite Full Face Helmet delivers the same race-proven safety and comfort as its premium carbon and composite siblings, now in a durable and affordable polyacrylite shell. With Mips C2 brain protection, superior ventilation, and an anatomically optimized fit, the D4 Polyacrylite is designed for riders who demand top-tier performance without breaking the bank.

Key Features

• Mips C2 Protection System Reduces rotational forces during impacts to enhance rider safety.
• Advanced Polyacrylite Shell Delivers durable, lightweight protection with a budget-friendly price tag.
• Front Air Intake System Channels air through a high-flow polymer center and power grid side mesh to keep you cool.
• Collarbone Suspension System Designed to mitigate impact forces and reduce injury risk.
• Breakaway Visor Screws Protects against rotational injuries by releasing under extreme force.
• Quick-Release 3D Cheek Pads Optimized for a secure fit and allows for fast emergency helmet removal.
• Anti-Microbial Padding Keeps the interior fresh, dry, and odor-free.

Designed for Champions. Built for Everyone.

The D4 Polyacrylite brings elite-level safety and comfort to gravity riders, downhill racers, and BMX shredders at an unbeatable value. Ride with confidence, push your limits, and stay protected with Troy Lee Designs.