Sanitized lining for a healthy climate and prevention of odour Compound added with nitrile and polymers for high resistance to various chemicals Antistatic properties for protection against electrical hazards;energy absorbing heel design for extra ergonomic support S5 rated with steel toecap and midsole for protection against penetrating;falling objects and certified according to the latest EN standard (EN ISO 20345:2011 S5 SRA) Oil resistant, SRA rated outsole for perfect grip, durable shaft for high wear