Certified protection
Technical standards and safety features clearly identified for every model.
Technical standards and safety features clearly identified for every model.
Professional footwear designed for demanding working days.
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(EN ISO 20345:2022 S3S CI FO HRO SC SR + ESD) Built for maximum performance and comfort, the Sioux S3S Safety Shoes offer high-level protection with a modern, lightweight design. Featuring a water-repellent microfiber upper, anti-perforation textile midsole and fiberglass toe cap, they deliver both flexibility and resilience in demanding work environments. Fully certified under EN ISO 20345:2022 S3S FO CI SC SR + ESD standards, these shoes ensure optimal safety, stability, and...
Explore technical details(EN ISO 20345:2022 S3S CI FO HRO SC SR + ESD)
Built for maximum performance and comfort, the Sioux S3S Safety Shoes offer high-level protection with a modern, lightweight design. Featuring a water-repellent microfiber upper, anti-perforation textile midsole and fiberglass toe cap, they deliver both flexibility and resilience in demanding work environments. Fully certified under EN ISO 20345:2022 S3S FO CI SC SR + ESD standards, these shoes ensure optimal safety, stability, and comfort for all-day wear.
Water-Repellent Microfiber Upper
Durable and hydrophobic, this high-tech microfiber keeps your feet dry and resistant to external liquids or stains.
Non-Metallic Fiberglass Toe Cap
Provides 200 J impact protection while remaining lightweight and metal detector-friendly.
Textile Anti-Perforation Midsole
Flexible and secure, offering complete penetration resistance without sacrificing mobility.
PFM Comfort Insole
Ergonomic, antistatic, and antibacterial foam insole with textile lining, designed to match the natural movement of your feet.
Breathable Inner Lining
High-absorption material enhances ventilation, keeping your feet cool and dry throughout the workday.
Dual-Density Rubber-Nitrile Outsole
Slip-, oil- and fuel-resistant, heat-resistant up to 300 °C (HRO), and ESD compliant for electronic safety.
Cold and Heat Insulation (CI + HI)
Thermal insulation maintains comfort in both hot and cold environments.
Shock-Absorbing Heel & SC Protection
Energy absorption in the heel and abrasion-resistant toe scuff cap improve comfort and durability.
Wide Size Range
EU 35 – 48
✔️ Certified EN ISO 20345:2022 S3S FO CI SC SR + ESD
✔️ Lightweight, metal-free design with advanced thermal protection
✔️ Breathable, anti-slip, and hydrophobic structure for all-day performance
✔️ PFM comfort insole for fatigue-free wear in any industrial environment
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