The GloWear 8263FRHL Hi-Vis 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 FR garment system, this ANSI-approved mesh work vest is tested and certified to an ATPV 5.1 cal/cm², NFPA 70E CAT 1. FR & ANSI 107- COMPLIANT This ASTM F1506 and ANSI/ISEA 107 Class 2 safety vest is 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. POCKETS & ACCESSORIES Included in the 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 for wearing over fall protection harnesses, and a hook & 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.