These Rocky Gore-Tex 8"H Insulated Steel Toe Boots keep your feet dry, warm and comfortable for a full day of work or play. A full Gore-Tex bootie keeps your feet dry even when the boots are submerged in water. Rocky Gore-Tex boots have a 600g Thinsulate lining that is perfect for three season use (some people wear this boot year-round). Steel toe protects from impacts and compressions that could damage your toes. Durable uppers are a tough, oiled, brown nubuck, full-grain leather. Vibram outsole gives great traction on a wide range of surfaces. Rocky 6223. ASTM F2413-05 I/75 C/75 compliant steel toe.