Designed with game-changing midsole cushioning and a breathable upper, this slip-on ESD work sneaker provides dynamic support, plus protects the workpiece. Carbon-Fiber Toe KEEN.ReGEN ESD-Rated Non-Metallic Non-Mutilating Oil- And Slip-Resistant FEATURES -100% non-metallic construction for easily passing through metal detectors in highly-secured areas -Non-mutilating upper reduces the chance of marking or scratching surfaces -Nylon shank for midfoot support -KEEN.ReGEN lightweight, compression-resisting midsole providing up to 50% energy return with every step -Oil- and slip-resistant non-marking rubber outsole -Electro static dissipative (ESD) or Super-Static Dissipative (SD+) footwear is constructed to dissipate excess static electrical charges, protecting the workpiece -Removable metatomical insole for comfort and support -Mesh liner provides breathability to help keep feet cool in warm environments