FRK003 - M FR High Vis LS T Shirt Be safe and be seen. This shirt features an inherently flame-resistant, high-visibility fabric with reflective material. • 7.75-ounce knit; 61% modacrylic/32% cotton/7% polyester • Stain Breaker® technology releases stains • Carhartt FR and CAT 2 labels sewn on pocket • ANSI Class 3, Level 2 compliant, 3M™ Scotchlite™ Reflective Material; segmented trim # 5510 maintains performance through 75 home launderings • Meets ANSI/ISEA 107 and meets the performance requirements of NFPA 70E