Anti riot helmet Used for protecting police service personal from attack Detachable neck protect Anti-riot helmet FBK-6(French)Shell: PC / ABSVisor : Sclerous PC material ,fog proof, scratch proof, customer can order capability freely.Visor style: convex or flat shapeVisor thickness:2.3 or 4.7 mm Color : Black/Light grey/ CustomizationSize: L/M/S AdjustableChip strap: RubberNeck protector: EPE. ...