Quilted design. CAT 3 Rating for dual-hazard flame resistant workwear. 39 cal/cm2 Rated to protect from second degree burns. Meets NFPA 70E/ASTM F1506 performance. UL® classified to NFPA 2112. Cool Climate Insulation™. Vislon® zipper. True to size. 48% Cotton, 33% Modacrylic, 12% Polyester, 7% Nylon.