ANSI Compliant background material is bright, breathable, lightweight, 100% polyester open weave knit mesh. Reflective 2" 3M Scotchlite #8910 reflective tape is compliant with Class 2 configuration - One 360 horizontal reflective stripe and two vertical shoulder stripes. Nylon zipper closure. Patterned after our extremely popular SSG Economy model except with zipper closure in front and cool mesh fabric. Machine washable.