Standard:EN ISO 20345 S1 S1P S3 Upper:Black leather upper safety shoe Outsole:PU / PU Size:35-48 Standard Properties SB Basic safety requirements of ENISO 20345 standard S1 SB+ Closed seat region+ antistatic properties+ energy absorption S1P S1+ Penetration resistance S2 S1+Water penetration and water absorption S3 S2 + Penetration Resistance + Cleated outsoles