DESCO 73863 Nylon Fabric Black Statshield Smock Jacket with Knitted Cuffs, Large Ground able static control garment system tested per ANSI/ESD S20.20-2014 (rtg &lt; 3.5 x 107 ohms) requirements, per ANSI/ESD Stm2.5 Minimum of 9 percent carbon conductive nylon fibers woven in chain-link design Creates faraday cage effect around torso and arms of operator Panel to panel conductivity Made in the United States of America