The Rebel Men’s Tech Gear Acid Flame Trousers are made from high quality, durable cotton canvas in a range of sizes from 28 to 48 with a modern and contoured fit. These acid flame trousers are flame retardant and acid resistant, making them ideal for applications like welding and acid environments. The trousers have triple stitched seams for extra strength and durability. Seven multifunctional utility pockets and tool loops provide the wearer with versatile work options. The 100% cotton overlays on the knees and back of ankles add support and durability. The flame retardant finish will last at least 50 washes. The acid resistant finish will last as long as the garment. It does not lose its efficacy with washing.