12.3 oz./yd², 48/37/10/5 modacrylic/lyocell/para-aramid/spandex, modacrylic flame-resistant blend; Sweatshirt material with extremely soft fleece-like inner texture; Black bottom enhances worker's appearance; Nomex® FR zipper front closure; 2" wide breathable reflective material provides flexibility and comfort; Two outside lower slash pockets; ANSI 107 Type R | Class 3CAT 3 Arc Rating/ATPV: 27 cal/cm2