Men's Caterpillar Footwear Athletic Worksport Ox Steel Toe Work Shoes. Polyurethane/Nubuck/mesh uppers deliver a perfect, breathable fit in these tough work shoes. The EVA midsoles cushion your step, delivering comfort that lasts. Rated electrical hazard-resistant, these guard against shock in charged environments. The non-marking, slip-resistant outsoles, command superior traction on a variety of surfaces, and are oil-resistant, preventing corrosion and breakdown for longer wear. ASTM-approved steel toes offer protection from impacts, falling objects and other worksite hazards.