polyester lining, EN20345 certificate, EU 37 to 47 height: 16'' 40cm used in construction, oil/gas industrial, PVC boots for heavy work, can be equiped with steel toe and steel midsoleUse for mining, contruction, heavy working, industy, etc.....polyester lining, EN20345 S5 certificate,Oil, acid, Alkali resistance. Anti slip sole.EU size 37 to 47US size 4 to 14, US size 3 to 13.height: 16'' 40cm