Our best-selling FR Cloud 9 jacket is now better than ever. Incredibly lightweight and built from ripstop fabric, it holds up on the job and delivers just-right warmth when the mercury drops. With insulation and stretch where you need them most, it's the ultimate all-season work layer. FR Cloud 9 2.0 Insulated Jacket Men's Flame-Resistant Cloud 9 2.0 Insulated Jacket in Black CottonModacrylicSulfonyl Polyphenylene Sulfide, Size: MT by Ariat