The Rock Fall RF910 Surge Safety Boots are designed for ultimate protection and sustainability. These 100% non-metallic boots feature a protective toecap and midsole, crafted from specialist durability materials. The upper, webbing, and lace materials are made from recycled plastic bottles, offering durability and sustainability. An Activ-Tex® waterproof membrane ensures breathability, has been tested for 8 hours, and contains 60% recycled content. These boots are certified to withstand electrical risks of 18kV according to ASTM F2412-18. The construction is entirely non-metallic, including a fiberglass toecap and composite midsole. The outsole is a dual-density PU nitrile rubber, providing exceptional abrasion resistance, shock absorption, and reduced weight. Key features include Electrical Hazard protection, a 100% Non-Metallic Construction, a Heat Resistant Outsole (up to 300°C), Ladder Grip, Oil Resistance, a Protective Midsole & Toecap, SRC Slip Rating, Water Repellent Upper, Cold Insulation, and a Sustainable design.