Portwest Expertbase Safety Helmet Hard Hat - White | PW50WHR Unvented helmet shell for safe use with electrical applications 4-point plastic suspension harness for wearer comfort, safety and easy cleaning Size adjustable headband via slip ratchet system Compatible with PW42 clip-on ear muffs Compatible with PW58 helmet visor carrier Soft foam sweat band included Available in multiple colourways Electrical insulation up to 1000Vac or 1500Vdc (EN 50365) Electrical properties ( 440Vac) Up to 7 years lifetime from manufacturing date (as long as undamaged) Lateral deformation CE certified CE-CAT III Portwest Expertbase Safety Helmet Hard Hat - White | PW50WHR High-density polypropylene helmet shell for comfortable lightweight wearing experience, 4-point plastic suspension harness. Buckle adjustable size 55-62cm. Soft sweatband included. Features Unvented helmet shell for safe use with electrical applications 4-point plastic suspension harness for wearer comfort, safety and easy cleaning Size adjustable headband via slip ratchet system Compatible with PW42 clip-on ear muffs Compatible with PW58 helmet visor carrier Soft foam sweat band included Available in multiple colourways Electrical insulation up to 1000Vac or 1500Vdc (EN 50365) Electrical properties ( 440Vac) Up to 7 years lifetime from manufacturing date (as long as undamaged) Lateral deformation CE certified CE-CAT III Materials PP, PE