Portwest Height Endurance Helmet PS53 Designed to be specially used when working at heights. Light and comfortable, this peak-less helmet is compact featuring an ABS shell, textile comfort harness 6 points and wheel ratchet adjustment, size 52-63cm. Improved technical sweat band and 4 points chin strap (Y style) with soft rubber chin protector included. Product 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 Materials ABS Standards EN 397 -30°C/+50°C EN 50365 Class:0 ANSI/ISEA Z89.1 TYPE I Class E Please click on the size guide to check the Portwest workwear sizes.