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Protection categories in safety footwear

Posted on2021-12-13 by
Protection categories in safety footwear

Depending on the class of footwear and the type of footwear (security, protection or work) and the application of the corresponding standard, different categories are determined:

Class IT'S IN ISO 20345. SAFETY FOOTWEAR IT'S IN ISO 20346. PROTECTIVE FOOTWEAR IT'S CALLED ISO 20347. WORK SHOES
All kinds of materials SB: Basic requirements NB: Basic requirements OB: Basic requirements plus one of the additional requirements
I. All materials except natural or synthetic polymers S1: Basic requirements and in addition:
  • Closed heel area
  • Anti-static properties
  • Energy absorption in the heel
 P1: Basic requirements and in addition:
  • Closed heel area
  • Anti-static properties
  • Energy absorption in the heel
 O1: basic requirements and in addition:
  • Resistance of the sole to hydrocarbons
  • Closed heel area
  • Anti-static properties
  • Energy absorption in the heel
S2: as S1 and in addition:
  • Water penetration and absorption
 P2: as P1 and also:
  • Water penetration and absorption
 O2: as O1 and also:
  • Water penetration and absorption
S3: as S2 and in addition:
  • Usually resistant to drilling
  • Usually highlights
 P3: as P2 and also:
  • Usually resistant to drilling
  • Usually highlights
 O3: as O2 and in addition:
  • Usually resistant to drilling
  • Usually highlights
II: Natural and synthetic polymers S4: basic requirements and in addition:
  • Anti-static properties
  • Energy absorption in the heel
 P4: basic requirements and in addition:
  • Anti-static properties
  • Energy absorption in the heel
 O4: basic requirements and in addition:
  • Anti-static properties
  • Energy absorption in the heel
S5: as S4 and in addition:
  • Anti-static properties
  • Energy absorption in the heel
 P5: as P4 and in addition:
  • Anti-static properties
  • Energy absorption in the heel
 O5: as O4 and in addition:
  • Anti-static properties
  • Energy absorption in the heel

Additional requirements for professional footwear are:

  • P: resistance to drilling.
  • C: Driving shoes.
  • A: Antistatic shoes.
  • I: insulating footwear. This requirement is only prescribed for Class II footwear (all rubber and all polymer footwear). Excludes footwear made of leather and other materials.
  • HI: Insulation from heat.
  • CI: Insulation against cold.
  • E: energy absorption in the heel.
  • WR: It's water resistant. This requirement is only prescribed for Class I footwear (footwear made of leather and other materials). All rubber and all polymer footwear is excluded.
  • M: Protection of the metatarsal. Not applicable to work footwear for professional use (EN ISO-20347).
  • AN: Protection of the ankle.
  • WRU: Resistance to water absorption and penetration. This requirement is only prescribed for Class I footwear (footwear made of leather and other materials). All rubber and all polymer footwear is excluded.
  • CR: Cutting resistance. Not applicable to work footwear for professional use (EN ISO-20347).
  • HRO: Usually heat resistant.
  • FO: Resistance to hydrocarbons from the sole. Not required on professional footwear (EN ISO-20347)

All footwear for professional use placed on the market must bear the following marking:

  • Cutting
  • Identification mark of the manufacturer.
  • Manufacturer's type designation.
  • Year of manufacture and at least quarter.
  • The number and year of the relevant European Standard, e.g. UNE-EN ISO 20345:2005.
  • Symbols for the protection offered or, where applicable, the corresponding category.
  • If applicable, corresponding pictogram, such as chainsaw boot.

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