Flite™ Safety Toe Boot with Chevron-Plus® Outsole Made from Aerex 1.5.5™ – a proprietary, chemical-resistant, thermally-insulative, microcellular polymer, resulting in boots that are over 40% lighter compared to most steel toe PVC and rubber knee boots. Lightweight upper, cushioned heel, slip-resistant nitrile rubber outsole and composite toe provide superior comfort and safety. Ideal Applications: Wide variety of Food Processing (Dairy, Meats, Vegetables, and Refrigerated/Frozen Foods), Farm/Ag, Chemical, and Petrochemical.