Faux leather exterior covering: 25% recycled cereals / 35% adhesive fibers / 30% recycled polyester, 10% PU Antiperspirant inner lining: 100% recycled polyester Embroidered side logo Removable foam insole Outsole: 40% recycled rubber Laces: 100% recycled PET * Vegan model, labeled PETA APPROVED VEGAN, INESCOP certified (guarantees quality and durability), OEKO TEX 100 (materials guaranteed to be free of toxic products for the body and the environment).