The bovine ChromeFree leather is smooth and light. Coming from farms located in the south of Brazil (Rio Grande do Sul), it undergoes an innovative tanning process where no chrome, heavy metals or dangerous acids are involved. By simplifying the tanning process, the use of chemicals and energy is limited, the use of water is reduced by about 40% and the use of salt by 80%. After tanning, the water is recyclable.The suede is made from the underside of bovine leather previously brushed to make it softer and more flexible. It comes from farms in the south of Brazil (Rio Grande do Sul). It is tanned in Brazil, respecting the REACH norms. Special attention is paid to water usage during the tanning process. The suede is also coated with water-repellent oils without PFCs (chemical compounds) to protect the sneakers from light rain. Details: Upper : ChromeFree leather Panels : ChromeFree leather and suede Logo V : Suede Insole : Amazonian rubber, sugar cane, recycled E.V.A.* and organic cotton Outsole : Amazonian rubber (31%), rice waste (22%) and recycled rubber (12%) Lining : Tech (100% recycled polyester) Straps : ChromeFree Leather Made in Brazil *ethylene vinyl acetate Care: The use of a washing machine is not recommended as it may alter the properties of the different materials.Before wearing them for the first time, we advise you to waterproof your shoes with a spray adapted to the material and to repeat this operation periodically. MAINLINECanvas models: the canvas can be brushed with cold water and soap of Marseille.Leather models: maintain the smooth leather of your shoes with a wet cloth and periodically with a specific product in spray or cream. Suede inserts can be maintained by dry brushing.CWL models: maintain the CWL of your shoes with a damp cloth and Marseille soap.