follow Label instructions Upper: B-Mesh (100% recycled plastic bottles) Panels: Leather, B-Mesh & suede V: 26% Amazonian rubber Insole: 11% Amazonian rubber, 42% sugar cane, 11% recycled E.V.A. & 12% organic cotton Sole: 40% Amazonian rubber & 10% recycled rubber Lining: Tech (100% recycled polyester) Laces: 100% organic cotton