This is ANSI Class 2 Compliant. Made with lightweight 4.1oz Birdseye Knit Polyester, it feels butter soft on the inside, yet is work-wear durable. The performance fabric wicks away moisture 3x faster than cotton and minimizes odor. Our High Visibility Shirt is available in Tall sizes L-6X. In addition, this shirt features ANSI/ISEA 107-2020 Reflective Material durable through 50 washes.