Je M'en Fous Cactus Noir is made out of Cactus leather, a new plant-based eco friendly leather that comes from harvesting only mature leaves of the Nopal cactus every 6-8 months, not damaging the plant in any way Upper: Black cactus leather Lining: Corn & vegan lining Padded insole and ultralight expanded rubber outsole Branded detail in gold Adjustable velcro strap