This is a grain leather that has been slightly brushed on the surface to create a very fine velvet-like appearance. The texture of nubuck is finer than suede.
About Work Shoes:
Work Shoes are shoes designed to stand heavy wear, protect the feet, and provide high traction. Work Shoes are generally made from sturdy leather uppers and non-leather outsoles with protective features such as steel toes or ankle guards. Work Shoes are commonly used for protection in industrial settings, construction, mining, and other workplaces.