D4 Polyacrylite Helmet Shadow Black Size:MD key for all-day breathability so

key for all-day breathability so you can keep charging at the front of the pack

The Valley of the Gods tee carries the mark of legends

Details make the D4 the most coveted full-face in mountain biking

Troy Lee’s vision always exceeds artistic boundaries and continues to reflect our same desire to inspire racers and enthusiasts alike

ensuring your vest is always within reach when the elements demand it

D4 Polyacrylite Helmet Shadow Black Size:MD key for all-day breathability soThe 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.