Tough HDPE shell with traditional 6-point polyethylene harness. Egyptian cotton sweatband core with porous PU coating for maximum sweat absorption. PH neutral, dermatologically tested. 3D precision fitting, using the unique 1-2-3 point harness depth settings. One Touch slip ratchet adjustment. Universal slots enables firm fitting of a range of Surefit safety visors and ear defenders. Extra large area for branding logos on the front, sides and rear. Vented - Side and rear ventilation, reducing helmet temperatures by an average 2 - 3°C. EN 397: 2012.