The Kask Zenith safety helmet brings a Class E rating (protection from electrical hazards) to a helmet that displays a mastery of design engineering from the Italian company. KASK is an expert in the combination of form and function, and the Zenith helmet is no exception. FEATURES External shell constructed of durable ABS plastic that is fitted with lamp clips, visor attachment points, and earmuff fittings. Eco-Leather chinstrap is anallergic and washable to help avoid skin irritation. KASK's Up & Down 2.0 adjustment system to give the wearer the perfect fit in width, height, and tilt. Incomparable level of comfort to help you keep your mind on the job and not your gear. Protection against electrical hazards Sanitized®: Antibacterial treatment that acts as an internal deodorant counteracting the development of unpleasant odors; hygienic function that prevents bacterial proliferation and increases freshness and comfort in the fabric in contact with the wearer's skin Fast3Dry: High-tech 3D fabric that dries very quickly, dispersing moisture to the outside and leaving a fresh feeling for the wearer Provided with Zen visor attachment Provided with integrated slot for earmuffs with bayonet attachment Removable Front Pad: Front-end padding is easily removable and washable; developed to provide maximum breathability and optimum moisture absorption SPECS External Shell: ABS Plastic Internal Shell: HD Polystyrene Headband: Soft PA Nylon Weight: 0.95 lbs (430g) Sizes: Universal adjustable from 20" - 24" (53 - 63cm) Standards: ANSI Z89.1-2014 / CSA Z94.1 / Type 1 Class E