polyamide fabric putek upper polyamide abrasion resistant fabric PUTEK lining laminated breathable fabric MESH inner insole HI-POLY - anatomically shaped lightweight polyuretane foam coated with fabric MESH, antistatic outsole EVA/RUBBER - resistant to fuel oils, slip resistant, antistatic, glued construction size 37 - 47 standard EN ISO 20345:2011 version S3 SRA - with composite toe cap and kevlar midsole