VEST MATERIAL: The industrial safety vest is made of 100% premium polyester, which features a breathable mesh fabric that is lightweight and premium quality. HIGHLY VERSATILE: The G & F industrial safety vest is ideal for a range of workspaces and jobs, including construction, road work, forestry, warehouse, airports, crossing guard, surveyors, manufacturing, and volunteering. EXPANDABLE ELASTIC SIDES: The G & F industrial safety vest features silver reflective stripes with expandable elastic sides, which ensure it fits all and can be worn on top of outer coats. INCREASE VISIBILITY: Our high-quality reflective strips are designed with an enlarged area to increase visibility and improve safety and security. IDEAL NIGHT WALKING ATTIRE: The G & F 41113 Industrial Safety Vest with Reflective Stripes is an excellent addition to your night walking attire if you are working on any type of construction site.