El Naturalista WAKATAUA women Sandals in Red Leather, Available in women's sizes. 6,8,9. Cowhide upper and lining Committed to the preservation of the planet, the El Naturalista brand gives priority to the use of biodegradable materials in the manufacture of its products. They are worked in a natural way by altering them as little as possible, so that in the end we can feel their natural textures and fragrances!