The GloWear 8263FRHL FR Safety Vest is a Type R Class 2 vest compliant to ASTM F1506 for flame resistance. Designed to be worn as part of a complete fire-resistant (FR) garment system, this ANSI-approved mesh work vest is tested and certified to an ATPV 5.1 cal\/cm˛, NFPA 70E CAT 1. FR and ANSI 107 Compliant. Made of 60% modacrylic mesh and 40% cotton for comfort and breathability. This reflective vest also features a 2" FR reflective tape for heightened visibility at night or in low-light environments. Includes one interior pocket, one dual pen pocket and a single flame-resistant radio mic tab. D-ring access on the back for wearing over fall protection harnesses, and a hook and loop closure for easy on\/off. This FR high-visibility vest is ideal for workers in occupations with electrical arc flash risk, including electrical and utilities.