Our best seller Expertbase Safety Helmet is now available with wheel ratchet adjustment size 55-62cm. High-density polypropylene shell helmet, 4 points textile suspension harness. Soft sweat band included. Spare parts available. Lateral deformation. Soft foam sweat band included. Compatible with PW42 and PS42 clip-on ear muff. Available in an excellent choice of corporate colours. Compatible accessories available. 4 points plastic suspension harness. Electrical insulation up to 1000Vac or 1500Vdc (EN 50365). Electrical properties ( 440Vac). CE-CAT III. 7 years shelf life from manufacturing date outlined in product user sheet.