Arche - Cosmic (Cafe) - Women's: Wow, this boot is both funky and fresh!; Nubuck uppers with laser cut swirls. Hidden full-length inside zip makes for easy on/off. The textured driving heel and sole 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.