These FR4507KH Men's Flame Resistant Khaki Carpenter Pants by Rasco are made from 10oz. FR Flameshield fabric with a 100% Cotton Duck material. The khaki color adds a touch of style to these durable pants. The wash instructions are easy - just home wash them. They have an impressive arc rating (APTV) of 14 cal/cm2 and are classified as CAT 2 (HRC 2) for added safety. With features like a hammer loop, ruler, & welding rod pockets, along with two front and back patch pockets, these pants are designed to meet all of your work needs. The main seams are triple stitched for extra strength and the boot cut leg openings make them comfortable to wear all day. Plus, with certifications from ASTM F1506, NFPA 2112, CSA Z462, CGSB 155.20, and NFPA 70E, you can trust that these pants will keep you safe on the job.