Outer covering: 72% Polyurethane / 22% POLYESTER / 6% cotton Mesh outer covering: 100% polyester Embroidered side logo Interior coating: 100% recycled PET Removable insole: recycled cork covered with recycled polyester Outsole: 40% 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 right shoe has a slight defect on the side. See photo(s)