For More Than 60 Years, Protective Apparel Made From Dupont Nomex ®IIIA Aramid Fiber Has Provide Superior Protection Against The Heat, Flame And Flash Fires. Garment Of Nomex Has Helped To Protect The Industrial Sector Workers In Petroleum, Petrochemical, Chemical, Electric And Gas Utility Industries. Professional Firefighters, U.s Military Staff And Nasa’s Astronaut Crew Also Wear Protective Apparel From Nomex ® IIIA. Product Features - Slanted Side Pockets - Radio/gas Loops - Two-way Fr Zipper Closure To The Center Front - Elasticated Waist - Bar Tack Reinforcement At Numerous Stress Points On The Garment - Pen Pocket On Left Sleeve - Two Chest Pockets With Zip Fastening. - Tool Pocket. - Chain Stitching Method. - Sewn Throughout With Aramid Threads. - Triple Needle Stitching On Inseams, Out Seams And Arm Seams. - Nickle-free Snap On Cuffs. - 2” Wide Fr Reflective Strips Over Shoulders, Arms And Legs - Highly Fire-resistant Zipper With Cover Flap.