Upper : Alveomesh (100% recycled polyester) Panels : Suede & leather V : 26% Amazonian rubber Insole : 10% Amazonian rubber, 41% sugar cane, 10% recycled E.V.A. & 16% organic cotton Midsole: 52% sugar cane Outsole: 12% Amazonian rubber Lining: Tech (100% recycled polyester) Laces: 100% organic cotton