DURATOR S3 footwear: water resistant chukka boots for professional use. Non-slip sole. The double-layer tread sole, applied by direct injection technology, ensures energy absorption in the heel section. Antistatic and resistant to fuels. It is equipped with a non-metallic anti-puncture insole and a composite toe to protect the toes. The product falls within category II of personal protective equipment. The product conforms to the following standard: EN ISO 20345 S3 SRC HRO.