police anti riot control helmet fog proof visor NIJ0104.02 STANDARD Our factory patent helmet Model:FBK-209Shell:intensification PC or PC&ABSVisor:4.2mm thickness,sclerous PC,2 years fog-proof,scratch-proof,customer can order visor capability freely.Visor style:flat shape Color:Black/Green/White/customization Chip strap: rubber/silicon/leather/genuine leather