Upper : C.W.L. (organic cotton coated with a resin from P.U., corn starch and ricinus oil)Panels : C.W.L.Logo V : Rubber and rice waste (22%)Insole : Amazonian rubber, sugar cane, recycled E.V.A.* and organic cottonOutsole : Amazonian rubber (31%), rice waste (22%) and recycled rubber (12%)Lining : Tech (100% recycled polyester)Laces : Organic cotton (100%)Made in BrazilCotton Worked as Leather. This material is a vegan alternative to leather. A 100% organic cotton canvas, coated with P.U., corn starch and ricinus oil. 54% bio-based.*ethylene vinyl acetate