GloWear 8356FRHL Class 3 FR Hook and Loop Safety Vest with Sleeves, Modacrylic, Small/Medium, LimeThe GloWear 8356FRHL Hi Vis FR Safety Vest is a Type R Class 3 vest compliant to ASTM F1506 for flame resistance. Designed to be worn as part of a complete flame resistant garment system, this ANSI compliant mesh work vest is tested and certified to an ATPV 4. 6 cal cm2. This ASTM F1506 and ANSI ISEA 107 compliant Class 3 safety vest is made from GlenGuard FR Fabric with a 5. 6 oz modacrylic mesh body and binding for increased airflow and