Faux leather exterior covering: 72% polyurethane / 22% polyester / 6% cotton Embroidered side logo Lining: recycled plastic bottles Removable insole: recycled cork covered with recycled polyester Outsole: 30% recycled rubber Laces: 100% recycled PET * All our models are vegan, labeled PETA APPROVED VEGAN and certified OEKO TEX 100 (materials guaranteed to be free of toxic products for the body and the environment). DEFECT(S): The pair is stained. / The right shoe has a slight defect on the side. / Small threads are sticking out. See photo(s)