Upper: C.W.L. ; (organic cotton coated with a resin from P.U., corn starch and ricinus oil) Panels: C.W.L. ; & vegan suede V: 26% Amazonian rubber Insole: 55% sugar cane & 19% organic cotton Outsole: 31% Amazonian rubber Lining: Tech (100% recycled polyester) Straps: C.W.L.;