Troy Lee Designs D4 AS Polyacrylite Helmet Size:M/L chest and ribs are all

chest and ribs are all be fully protected

The Spur's broad range doesn't compromise performance in the category

Compact and super-efficient

Fully assembled and ready to use

Oversized head for fast cleaning

Troy Lee Designs D4 AS Polyacrylite Helmet Size:M/L chest and ribs are allThe 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 Rotational Impact Brain Protection System Advanced Polyacrylite