The Sparco WISDOM ESD S3S SR FO HRO CI HI SC is part of the new WISDOM line, developed for professionals working in extreme environments such as welding, metallurgy, steelmaking and industrial maintenance. Its water-repellent embossed leather upper with reinforced stitching guarantees resistance to sparks, heat, and abrasion, while reflective elements enhance visibility in hazardous areas. The lightweight, insulating fiberglass toecap withstands impacts of up to 200J, and the Zero-Perforation anti-perforation textile insole offers protection without compromising flexibility. The outsole combines ultra-resistant PU with an HRO rubber tread, designed to withstand contact heat and offer superior grip thanks to its Super-Tyre design, which quickly evacuates liquids and maintains constant traction. CI (cold insulation) and HI (heat resistance) certifications make it ideal footwear for extended work in thermally demanding environments. A robust, technical model prepared for extreme conditions, designed for professionals who need certified safety, durability, and everyday performance.