Expertly constructed for your safety and comfort, Ariat Treadfast are waterproof boots with steel toe cap that protects against falling and heavy rolling objects. It has full grain leather upper with 4LR lightweight stabilizing shank. Recycled polyester lining, removable cushioning insole and 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.