–Arc Knight Pro Inherently Fire Resistant (IFR) Arc Flash Workwear are a crucial element of personal protective equipment (PPE) designed to safeguard workers in environments where exposure to arc flash hazards , flames, heat, and flash fire hazards is a risk. IFR Arc flash Workwear are made from the fabric that have built-in flame-resistant properties that do not wash or wear out over time. This makes them a reliable choice for industries such as Substation work,Breaker room maintenance,Electrical panel,Energized equipment repair,Plant shut downs,Electric vehicles, oil and gas, electrical utilities, and other sectors where arc flash hazards are prevalent.