• High-density EPS liner and high impact polypropylene outer shell.Meet CE EN12492 climbing helmet safety certification.
• Light reflective labeling increase recognition degree when work at night.
• 10 aluminum grilled vent holes for breathing and preventing tiny gravel.
• Selective assembly included universal headlight,visor,Earmuffs and mask.
• Adjustable back of head closure system. Large_size (20.1-24.4in)|(51-62cm).weight:14.5oz/ 0.9lb/ 410g.