Designed to be specially used when working at heights. Light and comfortable, this peak-less helmet is compact featuring an unvented ABS shell, textile comfort harness 6 points and wheel ratchet adjustment, size 52-63cm. Improved technical sweatband and 4-point chin strap (Y style) with soft rubber chin protector included. FEATURES: Specially designed for working at height Electrical insulation up to 1000Vac or 1500Vdc (EN 50365) Unvented helmet shell for safe use with electrical applications 6-point textile suspension harness for enhanced wearer comfort and safety Size adjustable headband via wheel ratchet system Chin strap included Up to 7 years lifetime from manufacturing date (as long as undamaged) Compatible with PW47 and PS47 clip-on ear muff Compatible with PS58 helmet visor holder Light and robust Hi-Visibility colour for visibility in daylight CE certified CE-CAT III UKCA marked