Features and Benefits:Full-grain waterproof leather upper;Pull-on access with easy exit design;Direct-injected PU shock absorbing confort midsole;Slip, oil, acid, and heat-resistant TPU outsole;Terra FIRMA-FLEX 100% Metal Free;We hold all TERRA® boots to a rigorous and exacting standard. Technically advanced, designed for optimal performance, without sacrificing protection and comfort. That�s the TERRA way.