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 Steel Toe Shoes:
Steel toe shoes are durable shoes that have a steel reinforcement in the toe to protect the foot against falling objects. Steel toe shoes also often have steel inserts in their soles to prevent puncture from below. Steel toe shoes are important in the construction industry and in many industrial settings.