Arc Rating ATPV 19 cal/cm2, EBT 28 cal/cm2. Class E hi-vis (Class 3 if worn with Class 2 or 3 top). Fabric is flame-resistant 10 oz, FR polyurethane on a knit flame resistant treated cotton, water-repellent. These FR hi-vis bib overalls have elasticized shoulder straps, 2-inch reflective striping, quick release suspender.