... available 2.Sole: PU+TPU 3.Lining: mesh 4.Standard: EN ISO 20345 S3 5:OEM available Safety boots ZYK-JL508 ... covered with mesh6.Size run: eur38-46#7.Safety standard:EN ISO 20345 S38.Steel toe cap, steel midsole, anti-static ... , cold or high temperature resistance, waterproof,etc.C.International standard: CE EN ISO 20345 SB,SBP,S1,S1P,S2,S3 4. AdvantagesA ...