The EVOLite Skyworker helmet has a suspension system and shell structure that has been designed to be used for industrial, mountaineering, rescue and leisure activities. Meets the EN12492 standard.Features:-Strong, light shell, conforms to the mandatory shock absorption and penetration requirements of EN397 industrial standard-Side, front and rear impact protection from the shock absorbing E.P.S liner-A 6-point Terylene comfort harness system with a Revolution wheel ratchet & 3D adjustment-Fully adjustable 4-point chinstrap with quick release buckle-A universal attachment slot enables firm fitting of a range of Surefit safety visors, and ear defenders-Extra large area for logos on the front, sides, and rear-CR2 Reflectivity, high intensity class R2 reflective material option available to provide extra safety when working in low-light conditions-Weight: 395g-Size range: 53-64cms