Portwest Endurance Plus Helmet PS54 Endurance Plus ABS shell helmet now available without retractable visor. Improved - sold with 4 points chin strap included. Product Features Unvented helmet shell for safe use with electrical applications Electrical insulation up to 1000Vac or 1500Vdc (EN 50365) 6-point textile suspension harness for enhanced wearer comfort and safety Size adjustable headband via wheel ratchet system Chin strap included Compatible with PS58 helmet visor holder Compatible with PW47 and PS47 clip-on ear muff Electrical properties ( 440Vac) Up to 7 years lifetime from manufacturing date (as long as undamaged) CE-CAT III Protection against Molten Metal Lateral deformation CE certified UKCA marked Materials ABS Standards EN 397 -30°C / +50°C, MM, LD, 440V a.c. EN 50365 Class:0 ANSI/ISEA Z89.1 TYPE I CLASS E AS/NZS 1801 Please click on the size guide to check the Portwest workwear sizes.