Leather Drivers Gloves offer protection from rough objects sparks and heat and cushioning from blows in heavy-duty work environments. Cowhide is the most common type of leather glove. The advantages of Cowhide include comfort durability excellent abrasion resistance and breathability. Grain Leather is the smooth external side of the hide. This type of leather provides durability and dexterity. Wing thumb is for more comfort and extra wear in the thumb area it has no exposed seams to split or wear on the working surface.