Olukai use only the highest quality materials, selected for their high character, durability, and tactile qualities. Thier premium leathers are selected for their warm tones, organic textures and smooth finishes, while lining materials are carefully chosen to be soft against your skin. Olukai's water-friendly products are crafted with innovative synthetic materials that are quick drying and designed to withstand life near the ocean. And thier commitment to quality is also a commitment to the environment; they use recycled rubber in the outsoles and source all leathers exclusively from environmentally conscious ISO-14001 certified tanneries.