Outer covering: 72% polyurethane / 22% polyester / 6% cotton Embroidered side logo Antiperspirant inner coating: 100% microfibers from the circular economy Removable insole: 100% microfibers from the circular economy Outsole: 40% recycled rubber Waxed laces: 100% 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).