Upper : C.W.L. (organic cotton coated with a resin from P.U., corn starch and ricinus oil)Panels : C.W.L. and coated cottonLogo V : Rubber and rice waste (23%)Insole : Sugar cane (55%) and organic cotton (19%)Outsole : Amazonian rubber (24%) and rice waste (29%)Lining : Tech (100% recycled polyester)Straps : Organic cotton (100%)Made in BrazilCotton worked as leather. This material is a vegan alternative to leather. A 100% organic cotton canvas, coated with a resin from P.U., corn starch and ricinus oil (54% bio-based).