Upper: C.W.L. (organic cotton coated with a resin from P.U., corn starch and ricinus oil) Panels: C.W.L. and vegan suede Logo V: Vegan suede Insole: Amazonian rubber (11%), sugar cane (42%), recycled E.V.A.* (11%) and organic cotton (12%) Outsole: Amazonian rubber (40%) and recycled rubber (10%) Lining: Tech (100% recycled polyester) Laces: Organic cotton (100%) Made in Brazil C.W.L.: Cotton Worked as Leather This material is a vegan alternative to leather, with a very similar appearance and excellent resistance. A 100% organic cotton canvas, coated with P.U., corn starch, and ricinus oil. 54% bio-based. *ethylene vinyl acetate Make best offer