100% polyester high visibility reflective material, washable and durable. Lightweight and comfortable fabric, maximum breathable. All of our vests are ultra light weight. Easily layer this over your sweater or existing outerwear without extra bulk. Safety vest keeps you safe and reduces risks of accident for construction, surveyors, roadside emergency, bicycling and many more applications. Safety vest can be used by roadway construction workers, utility workers, survey workers, forestry workers, school crossing guard, parking and tool gate personnel, and airport personnel. 22 7/8" L x 26 13/16" W