Knowledge What is the EN ISO 20345 standard and why is it important? Essential Guide to Safety Footwear Compliance
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Tech Team · 3515

Updated 2 months ago

What is the EN ISO 20345 standard and why is it important? Essential Guide to Safety Footwear Compliance

The EN ISO 20345 standard is the international benchmark for safety footwear, defining rigorous requirements to ensure worker protection across various industries. Updated in 2022, it introduces enhanced safety features and classifications (S1 to S5) to address diverse workplace hazards. Compliance is validated through Attestations of Type Examination (AET), ensuring footwear meets criteria like toe protection, slip resistance, and waterproofing. This standard not only guides manufacturers in producing reliable safety shoes but also helps employers select appropriate footwear, ultimately reducing workplace injuries and improving productivity.

Key Points Explained:

  1. Definition and Purpose of EN ISO 20345

    • EN ISO 20345 is the primary standard for safety footwear, setting minimum requirements for design, materials, and performance.
    • It ensures protection against common workplace hazards such as crushing, punctures, and electrical risks while prioritizing comfort for prolonged wear.
  2. Key Updates in the 2022 Revision

    • The 2022 version introduces stricter testing protocols and new classifications (e.g., S4/S5 for waterproof rubber boots) compared to the 2011 standard.
    • Enhanced focus on slip resistance, energy absorption, and anti-static properties reflects evolving workplace safety needs.
  3. Classification System (S1 to S5)

    • S1: Basic toe protection, slip-resistant soles, antistatic properties, and oil resistance.
    • S1P: Adds penetration-resistant midsoles.
    • S2: Includes waterproofing for wet environments.
    • S3: Combines S2 features with midsole puncture resistance.
    • S4/S5: Fully waterproof rubber/polymer designs, with S5 adding midsole penetration resistance.
  4. Certification and Compliance

    • Footwear undergoes testing by certified bodies (e.g., SATRA in Europe) to receive an Attestation of Type Examination (AET), valid for five years.
    • Transition periods allow older compliant shoes to remain in use, ensuring no abrupt obsolescence.
  5. Why It Matters for Purchasers

    • Risk Mitigation: Properly classified footwear reduces injury risks in specific environments (e.g., construction or chemical labs).
    • Regulatory Alignment: Compliance avoids legal penalties and aligns with occupational safety laws like the EU’s PPE Regulation 2016/425.
    • Cost Efficiency: Durable, certified footwear lowers long-term replacement costs and downtime due to injuries.
  6. Broader Impact on Workplace Safety

    • Standardization simplifies procurement for employers, ensuring consistent quality across brands.
    • Clear labeling (e.g., "S3") helps users quickly identify suitable footwear for their tasks.

By adhering to EN ISO 20345, organizations invest in both employee well-being and operational efficiency—proof that safety standards are foundational to modern industrial workflows.

Summary Table:

Key Aspect Details
Standard Purpose Defines minimum safety requirements for footwear (toe protection, slip resistance, etc.).
2022 Updates Stricter testing, new classifications (S4/S5), and enhanced slip resistance.
Classifications (S1–S5) S1: Basic protection; S3: Waterproof + puncture resistance; S5: Full waterproofing + penetration resistance.
Certification AET (Attestation of Type Examination) valid for 5 years, ensuring compliance.
Benefits for Employers Reduces injuries, aligns with EU PPE Regulation 2016/425, and lowers long-term costs.

Ensure your workforce is protected with EN ISO 20345-compliant safety footwear!

As a leading manufacturer, 3515 produces high-quality safety shoes and boots tailored to meet rigorous international standards. Our extensive range covers all classifications (S1 to S5), ensuring optimal protection for industries like construction, manufacturing, and chemical handling.

Why choose us?

  • Bulk & Custom Solutions: Ideal for distributors, brand owners, and large-scale buyers.
  • Durability & Comfort: Engineered for long wear without compromising safety.
  • Regulatory Assurance: All products undergo certified testing for compliance.

Contact us today to discuss your needs and request a catalog—let’s build a safer workplace together!

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