Innovative one-piece plastic injected ‘fish tail’ midsole

Highest quality

KNOX® CE-approved shoulder

TTM1692-SOG-M

Troy Lee Designs D4 Polyacrylite Shadow MIPS Adult MTB Helmets $900 - $999 Innovative one-piece plastic injected ‘fishTroy Lee Designs D4 Polyacrylite Shadow MIPS Adult MTB Helmets The 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. Mips C2