D4 Polyacrylite Helmet Roamer Clay YGroup_a3_helmet_wmips Troy Lee Designs leans on

Troy Lee Designs leans on years of helmet technology experience to crank up the performance

Crafted from durable

Replacement helmet part

but fine-tuned for long days in the bike park

the Skyline Short

D4 Polyacrylite Helmet Roamer Clay YGroup_a3_helmet_wmips Troy Lee Designs leans onThe reigning king of full face helmets, the D4 range expands with a Polyacrylite model packing the same safety and comfort features as the premium carbon and composite models into a price conscious shell. Details make the D4 the most coveted full face in mountain biking, including Mips C2 brain protection, an air intake system for ventilation, and an unmatched anatomical fit.