The GloWear Unisex Type R Class 2 Hi-Vis FR Safety Vest is compliant with ASTM F1506 for flame resistance. Designed to be worn as part of a complete FR garment system, this ANSI-approved mesh work vest is tested and certified to an ATPV 5.1 cal/cm, NFPA 70E CAT 1. This flame-resistant vest is made of 60% modacrylic mesh and 40% cotton for comfort and breathability. This reflective vest also features a 2 in. FR reflective tape for heightened visibility at night or in low-light environments. Included in the reflective vest are one interior pocket, one dual pen pocket, and a single flame-resistant radio mic tab. There is D-ring access on the back of the reflective vest for wearing over fall protection harnesses, and a hook and amp loop closure for easy on and off. This FR high-visibility vest is ideal for workers in occupations with electrical arc flash risk, including electrical and utilities.