The Flex combines the underfoot stability of a wedge with the lightweight comfort you would expect from an athletic shoe, matched with a rugged all-leather upper. Features a steel toe for protection and a TPU shank for additional stability. Includes a padded tongue for comfort and a 3/4 tongue gusset to keep out dirt and debris. Dri-Lex DL aerospace mesh lining for comfort and breathability, and a leather covered soft padded collar for a secure fit. ProComfort insole provides all-day comfort with and ergonomic arch support, a layer of memory foam, and a quick recovery polyurethane bottom layer. Treated with Dewalt's Agion antimicrobial silver technology to help eliminate odor. Incorporates an innovative lightweight, flexible, slip and oil resistant, EVA wedge sole with a full rubber covering for extended comfort and durability.