Red Wing Foam Leather Cleaner 4oz. Red Wing have crafted a must have item for your beloved leather boots. The Red Wing Foam Leather Cleaner will keep your boots in box fresh condition, just follow the instructions below. Instructions: In a bowl, mix two capfulls of the cleaners with 3oz (100ml) of water. Create foam by agitating the solution with sponge (included). Apply foam & gently scrub leather with sponge. (For more aggressive stains, apply cleaner directly to a clean cloth & scrub leather) Wipe excess foam from leather surface, & let dry naturally Once cleaned & dry to the touch, apply the recommended care product to ensure the proper maintenance of the leather. Caution Test on a small inconspicuous area first to check for discolouration Cleaning might remove surface oil that is naturally in oiled leathers. In such case, condition the leather with oil-based shoe care products that are specifically recommended.