ELTEN RENZO BIOMEX safety boots. - made of cowhide and hydrophobized nubuck leather - fabric lining ensures natural ventilation - padded tongue - full-length ESD PRO insole - non-metallic, penetration-resistant midsole - steel toecap - PU/PU FUN sole - BIOMEX PROTECTION - plastic cuff for ankle joint stabilization, heat-resistant stitching and laces - rubber coating, preventing abrasion of the shoe tip when rubbing it against the ground - category S3 SRC - meet the requirements of the EN20345 standard