Rasco FR Insulated Bib Overalls With Reflective Trim HiVis Tape Rasco Flame Resistant Workwear HRC 4 - NFPA 70E Compliant -ASTM F1506 by UL Certified - Certified NFPA 2112 ATPV RATING 42 cal/cm2 Outer: 10 oz FR Duck Shell Inner: 7.5 oz FR Quilted Twill lining with 5.7 oz modacrylic/aramid insulation