Portwest Expertbase Safety Helmet PW50 High-density polypropylene shell helmet, 4 points plastic suspension harness. Buckle adjustable size 55-62cm. Soft sweat band included. Product Features Unvented helmet shell for safe use with electrical applications Electrical insulation up to 1000Vac or 1500Vdc (EN 50365) 4-point plastic suspension harness for wearer comfort, safety and easy cleaning Size adjustable headband via slip ratchet system Soft foam sweat band included Available in multiple colourways Electrical properties ( 440Vac) Compatible accessories available Compatible with PW42 and PS42 clip-on ear muff Up to 7 years lifetime from manufacturing date (as long as undamaged) Lateral deformation CE-CAT III CE certified UKCA marked Materials PP PE Standards EN 397 -10°C/+50°C, LD, 440V a.c. EN 50365 Class:0 Please click on the size guide to check the Portwest workwear sizes.