NEN EN ISO 20347 : 2012

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
5 Basic requirements for occupational footwear
  5.1 General
  5.2 Design
      5.2.1 Height of upper
      5.2.2 Seat region
  5.3 Whole footwear
      5.3.1 Sole performance
      5.3.2 Leakproofness
      5.3.3 Specific ergonomic features
  5.4 Upper
      5.4.1 General
      5.4.2 Thickness
      5.4.3 Tear strength
      5.4.4 Tensile properties
      5.4.5 Flexing resistance
      5.4.6 Water vapour permeability and coefficient
      5.4.7 pH value
      5.4.8 Hydrolysis
      5.4.9 Chromium VI content
  5.5 Lining
      5.5.1 Tear strength
      5.5.2 Abrasion resistance
      5.5.3 Water vapour permeability and coefficient
      5.5.4 pH value
      5.5.5 Chromium VI content
  5.6 Tongue
      5.6.1 Tear strength
      5.6.2 pH value
      5.6.3 Chromium VI content
  5.7 Insole and insock
      5.7.1 Thickness
      5.7.2 pH value
      5.7.3 Water absorption and desorption
      5.7.4 Abrasion resistance
      5.7.5 Chromium VI content
  5.8 Outsole
      5.8.1 Thickness of non-cleated outsoles
      5.8.2 Tear strength
      5.8.3 Abrasion resistance
      5.8.4 Flexing resistance
      5.8.5 Hydrolysis
      5.8.6 Interlayer bond strength
6 Additional requirements for occupational footwear
  6.1 General
  6.2 Whole footwear
      6.2.1 Penetration resistance
      6.2.2 Electrical properties
      6.2.3 Resistance to inimical environments
      6.2.4 Energy absorption of seat region
      6.2.5 Water resistance
      6.2.6 Ankle protection
  6.3 Upper
      6.3.1 Water penetration and water absorption
      6.3.2 Construction
  6.4 Outsole
      6.4.1 Cleated area
      6.4.2 Thickness of cleated outsoles
      6.4.3 Cleat height
      6.4.4 Resistance to hot contact
      6.4.5 Resistance to fuel oil
7 Marking
8 Information to be supplied
  8.1 General
  8.2 Electrical properties
      8.2.1 Conductive footwear
      8.2.2 Antistatic footwear
      8.2.3 Electrically insulating footwear
  8.3 Insocks
Annex ZA (informative) Clauses of this European Standard addressing
         essential requirements or other provisions of EU Directives
Annex ZB (normative) Corresponding International and European
         Standards for which equivalents are not given in the text
Bibliography

Defines basic and additional (optional) requirements for occupational footwear that is not exposed to any mechanical risks (impact or compression).