101621 - M FR Duck Active Jac 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, ites what you need. e 13-ounce, 100% cotton FR duck e 11.5-ounce FR quilt lining: FR modacrylic batting quilted to FR twill face cloth e Two inside patch pockets with FR hook-and-loop closures e Nomexe FR rib-knit cuffs and waistband e Brass front zipper with Nomexe FR tape plus inside and outside protective flaps with hook-and-loop closure for electric-arc protection e Attached quilt lined hood with adjustable Nomexe FR draw cord e Back length: Large Regular 29 inches: Large Tall: 31 inches e Carhartt FR and NFPA 2112/CAT 4 labels sewn on zipper flap e Meets the performance requirements of NFPA 70E and is ULe Classified to NFPA 2112