Weighing in at 1500 grams

The SE4 Polyacrylite is DOT & ECE 22

The D4 carbon helmet utilizes carefully selected sizes and shapes of UD (uni-directional) carbon fiber sheets applied strategically

By keeping the Skyline design DNA through style lines

Replacement visor screws for the A3 helmet

D4 Polyacrylite Helmet W/MIPS Linear Black Size:L Weighing in at 1500 gramsThe 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.