Upper: Organic cotton (100%) Panels: Organic cotton (100%) Logo V: Amazonian rubber (26%) Insole: P.U. (34%) and recycled polyester (66%) Outsole: Vegan suede Lining: Tech (100% recycled polyester) Laces: Cotton (100%) Size chart / foot length: 17 = 10.5 cm 18 = 11 cm The Canvas is made of 100% certified organic cotton, without the use of pesticides or chemical fertilizers. From 2004 to 2021, VEJA purchased nearly 1042 tons of organic cotton. The cotton is cultivated in Brazil and Peru by associations that respect people and the environment, according to fair trade principles. In Brazil, the cotton is organic and agroecological.