Zappos.com is proud to offer the Arche - Nouba (Saumur) - Footwear: It s easy to be fashionable in these pull on booties. Nubuck uppers with double elastic goring for a perfect fit. The soles are made of milk-fed Havea rubber for added comfort. Tip: For cleaning and upkeep of rubber soles, use baby oil and rub around sole. This will keep them looking new!; Tip: For cleaning of shoes made of Nubuck uppers and rubber soles, simply wash with a washcloth in soapy water and allow to air-dry.