Brown leather crossover slingback sandals Updating a classic style from our collection, the Nico sandals come with crossover uppers extending to a slingback heel. Just like the straps, the insoles are crafted from brown leather and shaped to provide optimal comfort. Product type: Sandals Material: Sustainable Leather Composition: Upper, Lining, Insole: 100% Cow Leather Outsole: 100% Rubber Hardware: 100% Zamak Ecologic Finishing Heel height: 3cm Color Family: Brown Made in Spain. Designed in Barcelona