| CATEGORY | EN ISO 20345: 2011 REQUIREMENTS | 
|---|---|
| SB | Basic requirements for safety shoes: toecap resistant to an impact of 200 joules and | 
| crushing of 15kN | |
| S1 | Basic requirements + | 
| Closed heel area | |
| Antistatic properties | |
| Heel energy absorption | |
| Resistance to fuel oil | |
| S1P | S1 + | 
| Anti-puncture resistance(P) | |
| S2 | S1 + | 
| Water penetration and absorption | |
| S3 | S2 + | 
| Anti-puncture resistance | |
| Cleated outsole | 
| Marking symbol | Required conditions provided by the regulation | 
|---|---|
| SRA | |
| Test surface: ceramics | ≥ 0.32 flat footwear | 
| Lubricant: water and detergeant | ≥ 0.28 footwear inclinated 7° towards the heel | 
| SRB | |
| Test surface: stainless steel | ≥ 0.18 flat footwear | 
| lubricant: Glycerin | ≥ 0.13 footwear inclinated 7° towards the heel | 
| SRC | meets requirement for the 2 above tests (SRA + SRB) | 
| Product | Requirement | Symbol | 
|---|---|---|
| Whole shoe | ||
| Penetration resistance | P | |
| Electrical properties: | ||
| Conductive footwear | C | |
| Antistatic footwear | A | |
| Resistance to inimical environments: | ||
| Heat insulation | HI | |
| Cold insulation | CI | |
| Energy absorption of the heel area | E | |
| Water resistance | WR | |
| Metatarsal protection | M | |
| Ankle Protection | AN | |
| Cut resistance | CR | |
| Upper | Water penetration and water absorption | WRU | 
| Outsole | ||
| Resistance to hot contact | HRO | |
| Resistance to fuel oil | FO |