Look good and feel good in the El Naturalista Ikebana N129! A perfect addition to your wardrobe this spring. This great slide sandal features a leaves leather upper, this leather is tanned and manufactured in Spain, The tanning process is semi vegetal. The vegetable components in this process bring out the characteristics of the leather's organic material providing transparency, color, intensity, and brightness. The anatomically-designed insole is made from recycled cork. The El Naturalista insoles utilize a recycled carbon compound that optimizes the relationship between shock-absorption and breathe ability.