Ranger 12" Heavy-Duty Steel Toe Dielectric Men's Rubber Work Boots, Red & Yellow (R6130) 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 FOOT FORM contoured insole and composite shank provide proper cushioning and arch support to fight foot and leg fatigue; removable, washable and replaceable Neo-Grip outsole and heel has a flatter surface-to-surface, razor-edge tread that is ideal for indoor protection; tough but soft fabric lining for easy on/off SAFE-TOE steel toe protects against impacts from above; electrical hazard-rated outsole; ASTM F2413-11 M I/75 C/75 EH and CAN/CSA Z195-05 Grade 1 Recommended use: construction, manufacturing, farm & equestrian, general purpose