Outer covering: 72% polyurethane / 22% polyester / 6% cotton Antiperspirant inner coating: 100% microfibers from the circular economy Removable insole: microfibers from the circular economy Outsole: 30% recycled rubber Waxed laces: 100% recycled cotton * 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): Second hand pair. A seam is torn on the back of the right shoe. See photo(s)