(W)-rated for speeds of 168+ mph

Durable and lightweight polycarbonate blend shell

Comfort Liner for MX-46Y

Classified M+S only for 20% on-road use and designed for all-round performance and confidence on all types of gravel terrains and especially on difficult off-road trails

SuperCool Interior: Moisture-wicking fabric

Troy Lee Designs D4 Polyacrylite Shadow 2026 MIPS Adult MTB Helmets Size:Medium (W)-rated for speeds of 168+Troy Lee Designs D4 Polyacrylite Shadow 2026 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