Expertly constructed for your safety and comfort, Ariat Treadfast are waterproof boots with a steel toe cap that protects against falling and heavy rolling objects. It has a full-grain leather upper with a 4LR lightweight stabilizing shank. Recycled polyester lining, a removable cushioning insole, and a padded collar provide all-day comfort. These boots are built to perform all kinds of work from farm to ranch to warehouse. Treadfast 6 Waterproof Steel Toe Work Boot. An all-season, all-purpose work boot solidly built to match your work ethic. Designed for comfort and protection for long hours on your feet, the Treadfast features waterproof construction, multi-surface traction, and a reinforced safety toe. Features 4LR™ technology for lightweight support, Waterproof PRO construction to keep you dry, full-grain leather, a removable All Day Cushioning insole, and an oil- and slip-resistant Duratread™ sole for maximum wear resistance. Includes a 90° heel, cement construction, and protective Ex Guards™ on the toe and heel.