The Rockfall Surge Safety Boots are 100% non-metallic, featuring a protective toecap and midsole, and are developed with specialist durability materials certified to withstand electrical risks of 18kV. These boots include FORCE10 components, an Activ-Tex waterproof membrane, and an Activ-Step PU anti-fatigue comfort footbed. The upper is made from water-repellent full-grain black leather. They also boast a protective fibreglass toecap and a composite anti-penetration flexi-midsole. The lining is an Activ-Tex waterproof and breathable bootie membrane, tested for 8 hours. The outsole is a dual-density PU nitrile rubber, tested for exceptional abrasion, heat, and cold performance. Please note: Electrical Hazard (EH) safety footwear is intended as a secondary source of protection and its performance may deteriorate in humid, damp, or wet environments, and with wear.