Oliver Zip 130mm Stone Boot 55 350Z workwear The leather will become more safety gum boots The leather will become more brown as they evolve with time Steel Blue's flagship Argyle® Zip safety boot is now available with as Composite Toe Cap Oliver COOLstep® plush satin feel lining and built in SOFTstride® comfort system Features include Water resistant leather Oliver COOLstep® lining to absorb moisture and odour for optimum freshness and hygiene Lace locking fixture Kevlar® thread on critical wear seams for maximum abrasion and chemical resistance COMFORTcushion® Impact Absorption System uses a combination of cellular urethane and PORON® Oliver SOFTstride® open cell low density urethane foam for comfort and contour Shock absorbing Polyurethane midsole support NATUREform® Type 1 Toe Cap