LGT Safety First Brand Helmet Pin Lock. *Modern design & spacious shell manufactured from ABS with distinctive cooling vent which increase air flow and reduced heat built up. *Fixed with unique pin lock which is easily adjustable, comfortable and user friendly locking system. *This pin-lock headband which specially designed together with 8 point molded shock Absorbing suspension system provide essential crown clearance to absorb impact energy. *Comply to ANSI Z89.1 or EN397.