Just-right warmth with the protection you need on the job. The FR Crius Insulated Vest is warm without being bulky so it layers well over your favorite work shirt or nests well under a heavier jacket. The quilted design adds off-the-clock versatility, too. FR Crius Insulated Vest Product Features : 0 : Cool Climate Insulation™ for lightweight warmth, 1 : Vislon® zipper Men's Flame-Resistant Crius Insulated Vest in Field Khaki, Size: MT by Ariat