These leathers are tanned using oils to protect and lubricate the fiber. Since Oil Impregnated Leathers are generally thicker, they are considered a work boot and are worn as casual footwear. Care: 1. Remove loose dirt or dust with brush or rag. 2. Replenish oils with an all-purpose conditioner. Oil Impregnated Leather Boots include: Crazy Horse Dominion Oiled Bullhide Oiled Toro Oily Ranch Renegade Retan Taurus Woodland