Ideally created for Flagging Crews, Road Construction, Utility Crews, Survey Crews, Construction and Railway Workers. The Class 2 vest is made of 100 percent polyester mesh for a lightweight fit and breathability. With 1 exterior and 2 interior pockets the left interior pocket also includes an inset pen compartment. Our hook and loop design make this vest easy tie and hold to the wearer securely. Made with 3M Scotchlite silver reflective stripes to help provide great visibility in low light conditions.