Conforms to EN 12492 (Mountaineering Helmet Standard), EN 397 (Shock and Penetration), LD, -40oC and EN 50365 (1,000V A.C.). Added security and comfort when working at height Lightweight high grade ABS with micro peak Four point ‘x-over’ chinstrap Adjustable harness with quick release buckle Wheel ratchet easy adjustment system to enable firm and comfortable fit