Keeps you warm in cooler weather, but still lets you move freely. Resists flash fire and arc flash, but never hard work. Not only is it what you want, itª what you need. 13-ounce, 100% cotton FR duck 11.5-ounce FR quilt lining. FR modacrylic batting quilted to FR twill face cloth Two inside patch pockets with FR hook-and-loop closures Nomex¨ FR rib-knit cuffs and waistband Brass front zipper with Nomex¨ FR tape plus inside and outside protective flaps with hook-and-loop closure for electric-arc protection Attached quilt lined hood with adjustable Nomex¨ FR draw cord Back length. Large Regular 29 inches. Large Tall. 31 inches Carhartt FR and NFPA 2112 HRC 4 labels sewn on zipper flap Meets the performance requirements of NFPA 70E standards and is UL¨ Classified to NFPA 2112