Oliver 65 Series safety footwear for the Mining industry feature liquid-resistant leather: with a hard-wearing thermoplasitc (TPU) safety cell reinforcement to provide excellent protection from oils and minerals: cuts and abrasions. Boots are lined with a SYMPATEX waterproof liner that is breathable to allow for cooling air flow: and features antimicrobial properties to eliminate odor-causing bacteria. Meets ASTM F2413-11 M I/75 C/75 Mt/75 PR SD.