Mesh sides and underarm panels enhance airflow for all-day comfort on the trail

Each piece of the Factory Collection channels the DNA of Troy Lee’s factory heritage: raceday adrenaline

TLD Air Mesh ventilation in critical areas

and an EPP-lined chin bar

The 6400 Knee Brace‚ bilateral support hinges use hyperextension stops to support and help prevent injury to the knee

D4 Polyacrylite Helmet W/MIPS Qualifer Blue / White Size:L Mesh sides and underarm panelsThe 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.