NO NAME calzado de seguridad SJ FLUXS3S Low 46 - S3S SR FO HRO puntera composite, sin metal, negro/gris

On a busy construction site or in a demanding logistics hub, every step counts. These NO NAME SJ FLUXS3S Low safety shoes in size 46 keep your feet protected and comfortable through long shifts, combining a lightweight composite toe cap with a flexible non-metallic midsole. The black and grey nubuck leather and textile upper resists water and abrasion, while the PU/rubber outsole grips reliably on slippery surfaces, even when exposed to fuel or oil. Certified to EN ISO 20345:2022 with S3S, SR, FO, and HRO ratings, they deliver dependable safety without the weight of metal components.

Key specifications

• Safety standard: EN ISO 20345:2022
• Protection class: S3S SR FO HRO
• Toe cap: Composite (non-metallic)
• Midsole: SJ Flex non-metallic, penetration-resistant
• Upper: Nubuck leather and textile, water-repellent
• Lining: Breathable mesh
• Outsole: PU/rubber, slip-resistant (SR), fuel and oil resistant
• Heat resistant outsole: HRO, up to 300°C
• Antistatic and ESD protection
• Energy absorption in heel region
• Metal-free construction
• Closure: Laces
• Colour: Black / Grey
• Size: EU 46 (UK 11)
• Gender: Unisex

Why choose it

These shoes are built for professionals who need certified protection without sacrificing mobility. The composite toe cap is lighter than steel, reducing fatigue over long hours, while the flexible non-metallic midsole allows natural foot movement. The SR-rated outsole provides excellent grip on wet and oily floors, and the HRO certification means the sole can withstand brief contact with hot surfaces up to 300°C. Plus, the antistatic and ESD properties make them suitable for sensitive environments.

Ideal use cases

• Construction sites with uneven terrain and falling object hazards
• Logistics and warehousing with slippery floors and heavy loads
• Manufacturing plants where oils and fuels are present
• Maintenance work requiring heat-resistant soles
• Any workplace requiring S3S safety footwear

Good to know

The metal-free design is ideal for areas with metal detectors, and the water-repellent upper helps keep feet dry in light rain or spills. The breathable mesh lining enhances comfort during long wear. Available in size EU 46 (UK 11), these unisex shoes fit a wide range of foot shapes. Always refer to the size chart for the best fit.