Troy Lee Designs D4 Polyacrylite Mips Helmet The Line

Troy Lee Designs D4 Polyacrylite Mips Helmet The Line

The undisputed king of full-face helmets: The D4 series expands with a polyacrylite model that packs the same safety and comfort features as the premium carbon and composite versions into a more budget-friendly shell. The details make the D4 the most sought-after full-face helmet in mountain biking – including MIPS® C2 brain protection, an air intake system for optimal ventilation, and an unparalleled anatomical fit.

Mips® C2 Rotational Impact Protection System

Advanced polyacrylite shell construction

Front air intake system with high airflow through polymer center and lateral power grid mesh

Collarbone Suspension System

Tearable screws on the visor

Antimicrobial padding

Quickly detachable, contoured 3D cheek pads for an anatomically optimized fit

Material composition:

• Outer shell: 100% ABS (acrylonitrile butadiene styrene copolymer)
• Inner shell: 100% expanded polystyrene (EPS)
• Lining: 100% Polyester (Headliner) // 100% Polyester (Cheekpads)
• Visor: 100% polypropylene
• Screws: 100% polypropylene
• Double D-ring closure: 100% stainless steel