This Carhartt flame-resistant high-visibility shirt is lightweight and fast-drying. Features 6.75-ounce fabric made with 48% modacrylic, 37% lyocell, and 15% aramid knit. Meets the performance requirements of NFPA 70E and is UL® classified to NFPA 2112. Meets ANSI Class 3, Type R visibility standard; 3M™ Scotchlite™ reflective material