DESC: Features: rubber-clad neoprene for lightweight comfort with 100% waterproof protection and steel toe meets or exceeds ASTM F2413 I/75 C/75 EH. Has naturally insulating 3.5mm neoprene, it is ozone-resistant, has nylon woven lining for moisture management and an adjustable gusset in calf area. Has a slip-resistant Chevron outsole for traction on most surfaces, EVA footbed and fiberglass shank.