Troy Lee Designs 26.1 D4 Poly Fullface Mips MTB Helmet Roamer knee and the Fidlock magnetic closure

and the Fidlock magnetic closure system for easy-open and close use

providing a soft and secure grip

With our experience and over 20 years of design development

Reinforced inner layer for added durability

This next generation of our award-winning Smith Forefront mountain bike helmet has your back (and front

Troy Lee Designs 26.1 D4 Poly Fullface Mips MTB Helmet Roamer knee and the Fidlock magnetic closureD4 Polyacrylite MIPS Full Face Helmet Price conscious, comfort and safety DISCIPLINE: Downhill, BMX 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