The Rock Fall RF910 Surge is a 100% non-metallic safety boot designed for durability and sustainability. It features a protective toecap and midsole, and is constructed with specialist materials. The boot includes a recycled plastic bottle upper, webbing, and lace materials, along with an Activ-Tex® Waterproof membrane that is breathable and contains 60% recycled content. It is 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 excellent abrasion resistance, shock absorption, and reduced weight. Key features include FORCE10® components, an Activ-Tex® waterproof membrane, and an Activ-Step® PU anti-fatigue comfort footbed.