3M Hard Hat, Uvicator, With Chin Strap, Ventilated, Plastic Sweatband, White, G3000NUV-VIFeatures3M™ Hard Hat G3000NUV-VI is equipped with ventilation holes distributed over a large area and a plastic sweatband for comfort. It has a chin strap mounting mechanism, a softly rounded short-tipped design, and a 3M™ Uvicator™ sensor disk. It alerts you when the hat is excessively exposed to UV rays.