Our best seller Expertbase Safety Helmet is available with wheel ratchet adjustment size 55-62cm. High-density polypropylene shell, 4-point textile suspension harness. Soft sweatband is included. Spare parts are available.. Unvented helmet shell for safe use with electrical applications , Unvented helmet shell for safe use with electrical applications , Electrical insulation up to 1000Vac or 1500Vdc (EN 50365), 4-point textile suspension harness for enhanced wearer comfort and safety, Compatible with PW42 clip-on ear muffs, Size adjustable headband via wheel ratchet system, Soft foam sweat band included, Available in multiple colourways, Electrical properties ( 440Vac), Up to 7 years lifetime from manufacturing date (as long as undamaged), Lateral deformation
