Our best-selling FR Cloud 9 vest 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. | Women's Flame-Resistant Cloud 9 2.0 Insulated Vest in Black Cotton/Modacrylic/Sulfonyl Polyphenylene Sulfide, Size: XS by Ariat