OccuNomix LUX-SSFS-Y3X High Visibility Premium Solid Dual Stripe Surveyor Vests, Class 2, 100% ANSI Polyester, Yellow, 3X-Large Premium Quality Class 2 High Visibility Solid Dual Stripe Surveyor Vests, with 2 3M Scotchlite Reflective Material and Zipper Closure 100% ANSI Polyester Tricot - Pre-Stretched Fabric for Durability. Zipper is Fully Dielectric and Non-conductive. THESE OCCUNOMIX VESTS WILL MAKE YOU VISIBLE FROM UP TO 1,000 FEET AND PROTECTED FOR WHAT YOU DO AT ANY DISTANCE. 12 Pockets: 4 pen right chest, 1 double left chest includes 4 pen, 1 inner left divided w/ 1 pen compartment, 1 inner lower right Available in High Visibility Orange and Yellow, in Sizes Small to 10X-Large.