Stay safe and remain visible in OccuNomix FR Shirts. These flame-resistant work shirts come in several styles and colors. Select from long sleeve FR t-shirts and hi-vis reflective styles. OccuNomix hi-vis FR shirts come in neon yellow/lime with silver reflective stripes. Black bottom hi-vis safety shirts help hide dirt and keep you looking clean, longer. They meet ANSI Type R Class 2 and 3 safety ratings. OccuNomix flame-resistant work shirts help protect against flames and arc flashes. They meet HRC category 2 ratings.