LIGHTWEIGHT SHELL - Weighing less than 300 g* Lightweight ABS shell, around 20 Percent lighter than a standard safety helmet *Dependent on mode SUPREME COMFORT - 6 point Terylene cradle harness system offering unrivalled comfort 3D PRECISION FITTING - All of these helmets are fitted with our 3D adjustment system Never before has such a precise fit been attainable on an industrial safety helmet, using the unique 1-2-3 point harness depth settings CONFORMS TO EN397, EN50365, LD, MM - The low weight, and unique 3D Adjustment supreme comfort harness make this the most comfortable helmet on the market Performing above the EN397 standard thanks to its ABS lightweight shell VENTILATION - Reduces helmet temperatures by an average of 2-3 degrees (vented version only)