The Rock Fall Surge Safety Boots RF910 are designed for ultimate protection and durability. These boots are 100% non-metallic, featuring a protective toecap and midsole, and are constructed with specialist durable materials. The RF910 Surge is packed with safety features and designed with sustainability at its core, utilizing recycled plastic bottle materials for the upper, webbing, and laces. It includes an Activ-Tex® Waterproof membrane that is breathable, tested for 8 hours, and contains 60% recycled content. These boots are certified to withstand electrical risks of 18kV according to the ASTM F2412-18 test method. The construction is entirely non-metallic, incorporating a fibreglass toecap and composite midsole. The outsole is a dual-density PU nitrile rubber, offering superior abrasion resistance, exceptional shock absorption, and reduced weight. Key features include Electrical Hazard protection, 100% Non-Metallic Construction, Heat Resistant Outsole up to 300°C, Ladder Grip, Oil Resistance, Protective Midsole & Toecap, SRC Slip Rating, Water Repellent Upper, Cold Insulation, and Sustainable materials.