For long life and water repellency leathers should be periodically cared for with a quality dressing. Pecard Leather Lotion is the best one we've found. It's based on a long-ago refined formula and is ideal for all for colored and black smooth leathers.
The boot version cleans, polishes, restores suppleness and provides increased water resistance. It's also still made (since 1902!) in a small northern Wisconsin town by a family owned company founded to manufacture dressings for logging boots, horse-drawn lumbering gear and related equipment. Early woodsmen needed to protect their expensive boots and leather harness gear in cold, wet and harsh environments. The quality and performance of this dressing resulted in a great reputation: Lumbermen and hunters swore by it. Factory workers endorsed it, and Admiral Richard E. Byrd specifically chose the boot dressing to protect gear on his first expedition to the South Pole.
Proven under brutal conditions, this is a leather dressing you count on. It's available around the world in experienced cobbler's shops, and here. Neutral colored formulated paste. Not for use on suede. Choose 4oz. Bottle or 6 oz. Tub.