The 3M Safety Helmet G3001NUV has a headband with a clamping wheel for easier and faster adjustment and a plastic sweat forehead band to ensure comfort; The 3M Uvicator indicator tells you when your safety helmet has been overexposed to UV rays and it's time to replace it; provides electrical isolation up to 440VAC; a short visor provides a better view upwards; the headband can be rotated 180° for a better view when working in confined spaces; compatible with a wide range of accessories