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