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EN ISO 20345 vs ASTM F2413: Safety Shoe Standards Explained for Importers

SB, S1P, S3S, S3L, I/75 C/75, EH, CSA and AS/NZS — what the markings mean, what changed in EN ISO 20345:2022, and what to ask your factory for.

Safety boot with a deep-lug outsole stepping onto nails in a puncture test

Key takeaways

  • Each market has its own safety footwear standard: EN ISO 20345 (EU, UK), ASTM F2413 (USA), CSA Z195 (Canada), AS/NZS 2210.3 (Australia, NZ).
  • EN ISO 20345:2022 moved slip resistance into the basic requirements, replaced WRU with WPA, added S6/S7 waterproof classes and split puncture marks into P, PS and PL.
  • In the EU, safety footwear is PPE: it needs an EU type-examination by a notified body and CE marking under Regulation (EU) 2016/425.

Your customers buy a safety shoe to pass an inspection, not just to protect a foot. Knowing the markings helps you ask the factory the right questions.

1. Which standard for which market?

MarketStandardTypical marking
EU, UK and many export marketsEN ISO 20345SB, S1, S1P, S3S, S3L, S7…
USAASTM F2413I/75 C/75, Mt, EH, PR…
CanadaCSA Z195Green triangle (toe + puncture plate)
Australia and New ZealandAS/NZS 2210.3Safety footwear classes

2. EN ISO 20345 classes in plain words

ClassWhat it adds
SBBasic safety footwear: 200 J toe cap
S1SB + closed heel, antistatic, energy-absorbing heel
S1P / S1PS / S1PLS1 + puncture resistance (metal plate = P, non-metal = PS or PL)
S2S1 + water penetration and absorption resistance of the upper
S3 / S3S / S3LS2 + puncture resistance + cleated outsole
S6 / S7Waterproof versions of S2 / S3 (new in 2022)

3. What changed in the 2022 edition

  • Slip resistance is now part of the basic requirements; the old SRA, SRB and SRC marks were removed.
  • Water: WRU was replaced by WPA, and waterproof S2/S3 shoes became S6/S7.
  • Puncture: P now means a metal plate only; non-metal inserts are PS or PL.
  • Fuel oil (FO) resistance of the sole is now an additional marking.

Transition dates are reported differently by different sources — confirm with your certification body before you change your labels.

4. ASTM F2413 markings (USA)

  • I/75 C/75: impact and compression rating of the protective toe.
  • Mt: metatarsal protection.
  • EH: electrical hazard resistant.
  • SD / CD: static dissipative / conductive.
  • PR: puncture resistant.

5. CE marking in the EU

Under Regulation (EU) 2016/425, safety footwear is Category II personal protective equipment. It needs an EU type-examination certificate from a notified body, a declaration of conformity and the CE mark. If you sell under your own brand, plan who holds the certificate before you order.

6. What to ask your factory

  1. Which standard and class has this exact model been tested to?
  2. Can I see the test report (lab, date, model number, sizes tested)?
  3. Is the toe cap steel or composite? Is the midsole plate metal or textile?
  4. Who will hold the certificate if I sell under my own brand?

We answer these per model with your quotation and never print a marking that is not backed by a valid report. Ask about a model.

General information, not legal advice.

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