SILVERSTONE S3S NEGRO
Lace-up safety shoe offering maximum comfort and wellbeing, developed with Premium 1st quality materials. Attractive aesthetics and cutting-edge design, suitable for wear both at and outside work.
- Top-quality natural full-grain leather, water-repellent, chosen for its quality, durability and breathability.
- Protection and comfort all day long.
- Wide, Ergonomic last that fits the foot perfectly, offering exceptional comfort, flexibility and stability.
- "OPTIMAL SOLE" Technology. Greater lightness, stability and use of cushioning on heel strike to propel the next step.
- PU+TPU sole that improves grip, traction, cushioning and flexibility.
- Non-metallic plastic anti-impact toe cap (200J) and textile anti-perforation midsole (1100N).
- Thermoregulating lining, resistant to abrasion.
- Heat-moulded insole, featuring PANTER TRI-TEC technology.
- Energy absorption in the heel.
- Quick lace-up system without eyelets.
- Padded comfort tongue.
- Anti-fatigue footwear.
- Design/Type
- Shoe
- Standard
- EN ISO 20345:2022
- Protection Level
- S3S FO HI CI SR
| (marked according to EN ISO 20345: 2011 - S3 HI CI SRC) - Upper Material
- Water-Repellent Natural Full Grain Leather
- Toecap
- "Fiberplast" Composite 200 J.
- Antiperforation Midsole
- Non-metallic anti-perforation /PS Type
- Outsole
- PU/TPU sole
- Upper-sole Union
- Direct injection to the upper
- Clasp type
- Laces
- Technology
- Optimal Sole
Tri-tec - Electric resistance
- Antistatic
- Certificates
- Oeko-Tex
- Protection
- S3S
- Markings included
- CI
FO
HI
SR

200 J Plastic
Impact resistant to over 200 joules, very light, does not conduct electricity, ergonomic, elastic memory.
Features
- Extra Wide
- Very Light
- Elastic Memory
- Electrically Insulating
- Maximum EN ISO 20345 Certification

Puncture Proof Non-Metallic
Extraordinarily flexible and light, facilitates mobility and flexibility at all times, moulding itself to the natural shape of the foot without rigidity. Manufactured with special fibres of extraordinary resistance to perforation. A great advance in comfort and protection.
Features
- Zero Penetration
- Super Flexible and Light
- Maximum EN ISO 20345 Certification

Contac PU + TPU
Lightweight, highly anti-slip and shock absorber outsole made of PU+2TPU. Its double zone of compact TPU enlarges the anti-slip zone and absorbs the energy in the heel, providing traction, stability and maximum grip in all kind of surfaces, proving thus a very high anti-slip coefficient.
Features
- Leading Edge Design
- Improved Non-Slip Properties
- Extremly Light
- Maximum Flexibility

Antistatic, Antibacterial and Viscoelastic Tri-Tec
- Narrow design that maintains the feet dry and fresh. Incorporating active carbon to prevent the proliferation of microorcanisms and foul smell.
- Foot propulsion (All plantar surface made with Viscoelastic material which reutilizes kinetic energy during gait to take the next step)
- Shock Absorber (Efficient cushioning located in the critical area). Prevents micro-traumas.
- Sweat distribution sheet (quickly and efficiently transports sweat away from the feet)
- Fabric which offers high resistance against abrasion.
Features
- Antibacterial
- Antifungal
- Can be bought separately
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Natural full grain and water-repellent leather
Top quality natural grain water-repellent leather. Chosen for its quality, strength and breathability.
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