The Ironwear 1284FR-Z Mesh Safety Vest is made with 100% birdseye knit polyester mesh that is treated with flame-retardant properties to self-extinguish when caught on fire. If you canât see whatâs coming, then itâs best that whatâs coming sees you.Flame-Retardant Safety Vest Class 2 w/ Zipper & 5 Pockets (Lime/7X-Large) The 2 in reflective tape wraps around the torso and over shoulders in a suspender pattern for high-visibility protection that meets ANSI/ISEA Class 2. Employing cleaning methods other than those outlined above may shrink the vest, ruin the reflective tape or dim the coloring below safe standards.