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, it's what you need. 13-ounce, 100 percent cotton FR duck. 11.5-ounce FR quilt lining-FR mod acrylic 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 up classified to NFPA 2112.