Portwest Height Endurance 4 point Chin Strap Ratchet Safety 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. Features CE-CAT III Light and robust Specially designed for working at height Electrical insulation up to 1000Vac or 1500Vdc (EN 50365) 6 points textile harness Wheel ratchet size adjustment for easy fitting Hi-Visibility colour for visibility in daylight Chin strap included Compatible with PW47 and PS47 clip-on ear muff Compatible accessories available Materials ABS