Specification: Body: High strength reinforced ABS. Material of visor: Polycarbonate and visibility up to 85%. Neck protector: PU leather Visor Function: fog-proof Color: Matte black Lens: flat shape. Chip Strap: rubber. Size: Large - One Size Fits All Top thickness of shell is 5mm and side thickness is 4mm,2 points webbing plug in connection. Thickness of visor is 3mm. Inner material: Mesh Fabric head foam padding. Leather neck protector. Weight: 1.5+_0.5kgs. Ear padding thickness: 27mm Standard: police GA294-2012