6.1-ounce, 79% Aramid/20% Modacrylic/1% Antistat Glenguard Ripstop Inherently Flame Resistant ripstop fabric Meets the performance requirements of NFPA 70E and is UL® Classified to NFPA 2112 Superior colorfastness FastDry® technology wicks away sweat for comfort Sits slightly below the waist Comfortable fit through the seat and thigh with room to move Lower-front ledge pockets Multiple tool and utility pockets Comfortable gusseted crotch Articulated knees for ease of movement Reinforced back pockets Stronger sewn-on-seam belt loops with utility loops at front Straight leg opening Carhartt FR label sewn on back pocket; NFPA 2112/CAT 2 label sewn on coin pocket Imported