Tough HDPE helmet shell 3D precision fitting using the unique 1-2-3 point harness depth settings One touch slip ratchet simple to fit and adjustable Side and rear ventilation for optimum air movement inside the shell, reducing helmet temperatures Universal slots enable firm fitting of safety visors and ear defenders to the helmet 440 V (AC) Electrical Insulation and Molten Metal resistance Replacement sweatband available stock number 755-3093