D4 Polyacrylite Helmet W/MIPS Linear Black Size:M key for all-day breathability so

key for all-day breathability so you can keep charging at the front of the pack

our new SE4 Polyacrylite Helmet comes with MIPS

and a boonie hat with an autograph panel—celebrates the world’s toughest competitors who have given life to 23 Rampage events

With 14 vents

D4 Polyacrylite Helmet W/MIPS Linear Black Size:M key for all-day breathability soThe 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.