Sign‑R S3S is a lightweight yet durable safety shoe from the premium CERVA Signatures range, designed for versatile use in both indoor and outdoor working environments where a balanced combination of comfort, stability and increased durability is required • the sole with an mEVA midsole, an advanced EVA material, provides effective cushioning, long‑lasting comfort and greater durability compared to standard EVA, while the rubber outsole ensures excellent slip resistance, high abrasion resistance and meets the HRO heat‑resistance requirement • the upper made from a combination of microfiber, durable textile and TPU elements offers enhanced mechanical resistance while maintaining low weight and flexibility • a composite toe cap and a lightweight textile puncture‑resistant insert of type PS provide reliable protection without unnecessary weight • the footwear meets S3S, ESD, FO and SR requirements and is suitable for operations with changing conditions • reflective elements and a practical heel pull tab underline the functional and technically refined character of the shoe for everyday professional use.