OccuNomix ECO-GCS-Y4/5X High Visibility Value Mesh Surveyor Zipper Safety Vest, Class 2, 100% ANSI Polyester Mesh, 4X-Large / 5X-Large, Yellow ANSI/ISEA 107-2015 Class 2 2 Silver reflective tape backed by contrasting ANSI compliant trim 100% ANSI Polyester Mesh, with Zipper Closure Pockets: 2 inner lower w/ pen compartment, 4 pen on outer right chest, 1 outer left double w/ 4 pen compartments Available in Dual Sizes: Small / Medium - 4X-Large / 5X-Large