Engineered for the Unforeseen: The RF810 Arc is a highly protective safety boot offering exceptional protection against a range of hazards, including electrical risks. The boot has been independently put through the IEC 61482-1-1:2019 Thermal Hazards of an Electric Arc test method. The results, whilst not covered by the ENAC accreditation scope, exceeded the capabilities of the lab. Here's what the tests revealed: Materials: Withstand a scorching 126 cal/cm² - a testament to the fire-resistant construction. Whole Boot: No burns observed at 109.4 cal/cm². The RF810 Arc is tested to 18kV AC Electrical Hazard protection in accordance with ASTM F2412-24 test methods, making it suitable for general use in dry working conditions to reduce the risk of injury following accidental unexpected contact with live electrics. It’s manufactured using fire resistant laces, high abrasion Helcor® leather upper trim and R-TEN™ stitching threads. So whether you're a lines worker, electrician, or work in any high-voltage environment, the RF810 Arc is for you. The Arc delivers supreme underfoot comfort using our Activ-Step® footbed crafted from recycled materials. It breathes, it cushions and it keeps you going, shift after shift. The durable leather upper, using Leather Working Group Gold certified leather, delivers durable & lasting performance. The Moisture-Tech keeps your feet dry and comfortable, rain or shine. The FORCE10® dual-density outsole tackles any terrain, offering unbelievable abrasion resistance, shock absorption and is even compatible with climbing irons. Plus, it's possible to re-sole, extending the life of your investment. Durable Leather Upper: Water repellent, Leather Working Group Gold rated full grain leather offers long-lasting performance that repels moisture and dirt. Recycled Polyester textiles: The collar linings and laces are made using 100% recycled polyester materials. All our recycled polyester is independently certified to the Global Recycled Standard. Waterproof Construction: Keeps your feet dry in wet conditions. Activ-Step® Cushion Pro Footbed: Cushioned footbed made with 100% recycled post-consumer polyester sock-liner. Ultimate Toe Protection: A composite protective toe cap ensures the highest safety without compromise. Advanced Penetration Resistant Performance: The penetration-resistant insert, developed by Activ-Step® provides essential on-the-job safety, and our IMPACTSHIELD™ digging plate offers increased protection from underfoot injury. Abrasion Resistant Outsole: Providing a high level of abrasion resistance while maintaining exceptional shock absorption and weight reduction.