C.W.L.: cotton worked like leather. This material is a vegan alternative to leather. A 100% organic cotton canvas, coated with PU, corn starch and castor oil. 54% bio-based. Coming from the State of São Paulo in Jacareí, this chamois is a 100% vegan synthetic textile product and an alternative to chamois produced by animals. It is a non-woven fabric made of needled microfibers and impregnated with PU resin. This solvent-free process is less toxic than those used to produce classic synthetic chamois. Upper material: C.W.L. (organic cotton coated with a PU resin, corn starch and castor oil) Panels: C.W.L. V logo: Amazon Rubber (26%), mineral silica (22%), synthetic rubber (14%) and others (38%) Template: Amazon Rubber (11%), sugar cane (42%), Recycled E.V.A.* (11%), organic cotton (12%) and others (14%) Outer sole: Amazon Rubber (40%), recycled rubber (10%), silica (23%), synthetic rubber (11%) and others (16%) Lining: Tech (100% recycled polyester) Laces: Organic cotton (100%) Made in B