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