2 upper chest pockets including 4 pen pockets. , Featuring 2" silver reflective tape pattern for visibility, a zipper closure, 2 lower internal pockets, Sizing starts from a Medium and goes all the way to a 5X., Constructed out of a breathable polyester mesh, For workers who have high task loads that often divert their attention. , ANSI/ISEA 107 Class 3 Vest ,