These harnesses are constructed of Nomex® and Kevlar® to produce flame-resistant and non-conductive properties, making them perfect for use in any industry where high-voltage electricity or hot-work such as welding is a concern. Leather insulators behind exposed hardware prevent contact with the body during ""hot"" situations. The vertical torso adjusters easily adjust and lock into place to eliminate loose ends and prevent slippage. The lightweight shoulder and leg padding keeps the wearer comfortable. Construction harness also features a belt and sewn-in hip pads The non-conductive back D-ring is spring loaded for fast, easy connections. A built-in carrying pocket is ideal for a cell phone, camera or other small items. Meets ASTM F887-05 arc flash standard.