Upper material: Chromefree leather Panels: Chromefree leather Votype of the V: Rubber of the Amazon (26%), rice waste (22%) Template: Amazon rubber (11%), sugarcane (42%), E.V.A.* Recycled (11%) and organic cotton (12%) Exterior sole: Amazon Rub Lining: Tech (100% recycled polyester) Laces: Organic cotton (100%) Manufactured in Brazil Chromefree bovine leather is soft and light. Coming from farms located in southern Brazil (Rio Grande do Sul), it undergoes an innovative tanning process in which chromium, heavy metals or hazardous acids does not intervene. Simplifying the tanning process, the use of chemical and energy products is limited, water use is reduced by approximately 40% and the use of salt by 80%. After tanning, the water is recyclable. *Ethylene vinyl acetate