The 3M™ Safety Helmet G3001NUV has a headband with an adjustment wheel and a plastic sweatband 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