Bata Polyblend® Boots Formulated of polyurethane and PVC for environments where severe conditions require a high degree of chemical resistance. 6" lace-up steel toe work shoe. Features non-slip cleated outsole and removable cushion insoles. Steel shank.Made for lawn care, poultry, food processing, mining, breweries, oil rigs and refineries and chemical plant operation, this Polyblend Boot is made of scientifically formulated polyurethane and PVC. Injection molded seamless construction features non-slip self-cleaning soles and a kick-off lug for easy on and off. A hardened steel ladder shank adds safety adds safety and comfort, and cushion insoles are replaceable when worn. Cut off band offers height adjustment.