Carhartt Men's Flame Resistant Heavyweight Denim Jean Relaxed Fit 88% Cotton/12% Nylon Imported Machine Wash NFPA 70E HRC 3 label sewn on coin pocket Relaxed Fit Heavyweight 14.75-ounce, FR denim: 88% cotton/12% high-tenacity nylon Relaxed seat and thigh Garment washed for a soft finish Arc-resistant button closure at waist Brass zipper fly with Nomex FR zipper tape Two reinforced back pockets