The M1 sets the highest standards in terms of comfort, function and safety Fiberglass is pressed at high temperature and under high pressure with the addition of special resin to create a helmet shell with exceptionally high strength The internal switching consists of EPS foam: a multi-part structure with different degrees of hardness so in an emergency is has optimal force absorption Ventilation ducts inside ensure a good climate The interior of the M1 uses no seams Five ergonomically designed cushions are built for comfort and are breathable and antibacterial, with easy removable for washing Easily changeable interior sun visor Three air intakes on the hood allow airflow through the fresh air channels in the helmet shell The ventilation is regulated in the rear area by the 3D logo, so a permanent ventilation is always guaranteed Quick release chin strap closure DOT approved