FRB100 Carhartt Men's Flame-Resistant Signature Denim Jean - Relaxed-Fit Carhartt's flame-resistant relaxed fit jean is garment washed for softness. Made of 11.75 ounce, 100% cotton flame-resistant denim, it sits slightly below the waist, is relaxed-fitting seat and thigh, arc-resistant button closure at waist, brass zipper fly with Nomex zipper tape. Back pockets are reinforced and main seams are double-stitched for durability. Field tested Sits slightly below the waist Relaxed-fitting seat and thighs Straight leg Garment washed for soft finish Arc-resistant button closure at waist Brass zipper fly with Nomex FR zipper tape Two reinforced back pockets Double-stitched main seams Carhartt FR label sewn on back pocket; Carhartt FR and NFPA 2112/HRC 2 labels sewn on coin pocket Meets the performance requirements of NFPA 70E and is UL classified to NFPA 2112 standards HRC 2 ATPV 15.2 cal/cm Big and Tall sizes are an additional charge. Price will be stated next to selected size. Fabric 11.75 Ounce, 100% Cotton FR Denim Product Care To maintain the thermal protective properties of Carhartt flame-resistant denim clothing, please machine wash warm at temperature not to exceed 160°F (70°C). Do not use chlorine bleach, hydrogen peroxide bleach, softeners or starch. Tumble dry low, remove promptly. Iron with low heat. Dry cleanable.