PERFORMANCE TESTED: In independent lab testing, our shoes beat industry average for comfort and cushioning. Oil-resistant, slip-resistant Lock Step Outsole meets SATRA TM63 and TM144 standards. Passed additional surface testing for vinyl tile and eurotile. MATERIALS: Durable leather and faux leather upper FIT: Lace-up front with padded tongue and collar for a secure fit FEELS INSOLE: anti-odor Insole Technology with Molded PU Foam, anatomical cushioning, comfort & arch support MIDSOLE: Reduces foot pressure, absorbs shock, and moves with your foot