The Hi-Viz Invue work shirt from SAS Safety Corp has a front two-tone design with a black bottom. The shirt has a reflective 2-inch tape pattern for extra visibility and a full florescent back. The black-bottom helps maintain a clean look, and a left chest pocket allows you to keep pens or notes handy. Made from 100% polyester, 130g birdseye fabric for durability. ANSI/ISEA 107-2015 Class 2 Type R. This ten-pack includes ten size large shirts.