This pair of shoes is vegan. Upper material from C.W.L. (Organic cotton coated with resin from corn & castor oil). Panels made from C.W.L. Logo V made of rubber and rice fumes (22%). Schn�rsenkel made of 100% organic cotton. Interior lining soft (33% organic cotton & 67% recycled polyester). Insole from sugarcane (40%), organic cotton (12%), Amazonian rubber (11%) & recycled ethylene vinyl acetate (11%). 59% Biologically produced and recycled outsole: made of Amazonian rubber (24%), rice fumes (23%) & recycled rubber (12%). Made in Brazil, in the region of Porto Alegre. C.W.L. is an innovative vegan alternative for leather and comes from organic farming from an Italian specialist company. The special thing about it is that it consists of cotton with a herbal P.U. is coated. This P.U. There is 50% of cornabels from the food industry and 50% of ordinary P.U.