ExoFit NEX™ Arc Flash Climbing Harness ExoFit NEX™ Arc Flash models incorporate Nomex®/Kevlar® construction featuring 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. You will have complete peace of mind knowing that all DBI-SALA™ arc flash equipment is tested to perform in accordance with the stringent ASTM F887-05 arc flash standard specification for personal climbing equipment, as well as ANSI Z359 and CSA requirements. Product Details: Nomex®/Kevlar® web, PVC coated aluminum front, back & side D-rings, locking quick-connect buckles, comfort padding. Available Sizes: 1113330: Small 1113331: Medium 1113332: Large 1113333: X-Large