Danner Men's Workman GTX 8" Steel Toe Work Boot 100% Full grain leather Vibram sole Brown There's nothing fancy about the Workman GTX, unless your comparing them to a boot that doesn't have the Danner name stamped on it. Expert- grade features like GORE- TEX waterproofing, full- grain leather and a Vibram Duralogical outsole that won't track mud and dirt. Upper 2.2mm Full-Grain Leather Steel Toe