Mutual Industries Gann 4XL orange ANSI class 3 solid flame retardant vest features 2 silver reflective tape and is made of 100 percent modacrylic for comfort. Mutual Industries Gann 4XL orange ANSI class 3 solid flame retardant vest features non-conductive zipper closure for total comfort. Washable vest keeps user visible in dark with its 2 silver reflective tape and complies with ASTM 1506 NFPA 70E. • 4XL. • Flame resistant for life of garment. • Material: 100% modacrylic. • Closure: Zipper. • FR reflective silver tape. • Zipper is non metallic (non-conductive). • Washable. • Certifications and standards: ANSI Class 3 ASTM 1506 ATPV 5.1 NFPA 70E. • Certifications and standards: ANSI/ISEA 107-2015 Class 3 Type R compliant. • Sold as 1 Each.