... 2)Outsole:PU 3)Plastic toe or steel toe 4)anti-static 5)Size:36-47 Quality standard: StandardPropertiesSBBasic safety requirements ... resistanceS2S1+Water penetration and water absorptionS3S2 + Penetration Resistance + Cleated outsolesFunctions: Anti-slip, smash, puncture, static, insulation, oil, acid or alkali and ...