Ranger 12" Heavy-Duty Polymeric Foam Insulated Men's Rubber Work Boots with Steel Toe, Red/Yellow & Black (6145) Durable, flexible, industrial weight rubber is hand-laid and vulcanized at high heat for 100% waterproof construction; ozone-resistant to prevent cracks and remain flexible in cold weather Polymeric foam insulation to keep feet warm in cold working environment; cushioned insole and ultra-composite shank supports the arch and helps fight foot and leg fatigue Heavy-duty TracTread outsole and heel for improved grip and traction on slick or icy surfaces; tough but soft fabric lining for easy on/off SAFE-TOE steel toe protects against impacts from above; ASTM F2413-11 M I/75 C/75 and CAN/CSA Z195-05 Grade 1; 3-eyelet lace-up top for secure fit Recommended use: construction, mining, oil & gas, farm & equestrian