ELTEN SENEX ESD safety half boots. - made of hydrophobic microfiber and hydrophobic CORDURA textile material - fabric lining provides natural ventilation - padded tongue - full-length ESD PRO insole - anaerobic penetration protection - TPU/PU sole - rubber overlays to prevent abrasion of the shoe tip when rubbing it against the ground - category S3 SRC - meet the requirements of the EN20345 standard