EN ISO 20345:2011

Personal Protective Equipment – Safety Footwear

PERSONAL PROTECTIVE EQUIPMENT – SAFETY FOOTWEAR

Minimum safety standards set out by the International Organization for Standardization (ISO). The current standard for Safety Footwear across Europe (EN) is EN ISO 20345:2011 and this was updated in 2011 to enforce stricter policies. Under this standard, all safety footwear must now have toe protection against a 200 Joule impact – this is the amount of energy the toe region can absorb before breaking and all new products must be manufactured and certified under EN ISO 20345:2011.

Safety Footwear Classifications

Any product certified under any previous version of the standard (2004; 2007) was required to be recertified.

Slip Resistance Ratings

Footwear that has passed tests for slip resistance will also have one of the following codes:
SRA Tested on ceramic tile wetted with sodium lauryl sulphate (a diluted soap solution)
SRB Tested on steel with glycerol
SRC Tested under SRA and SRB conditions

Additional Symbols/Abbreviations

  • P – Penetration resistance
  • C – Conductive
  • A – Antistatic
  • I – Electricity insulating footwear
  • WR – Water Resistance
  • M – Metatarsal Protection
  • AN – Ankle Protection
  • CR – Cut Resistant Upper
  • WRU – Water Penetration and Water Absorption Upper
  • HRO – Outsole Resistance to Hot Contact

Safety Footwear Classifications

CategoryEN ISO 20345 requirements

SB

Basic requirements

  • For safety footwear with a toe cap resistant to an impact of 200 joules

S1

Basic requirements+

  • Closed heel area
  • Energy absorption at seat area
  • Antistatic properties
  • Resistance to fuel oil

S1P

S1+

  • Penetration resistance (P)

S2

S1+

  • Water penetration and absorption

S3

S2+

  • Penetration resistance
  • Cleated outsole

S4

S1+

  • Entirely moulded polymer/rubber upper (e.g Wellington Boots) making them waterproof and leak proof

S5

S4+

  • Midsole penetration resistance

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