DescriptionUpper: Alveomesh (100% recycled polyester) Panels: Suede and Leather Insole: Amazonian rubber (10%), bio-based E.V.A. (42%, including 33% sugar cane), recycled E.V.A. (12%), organic cotton (11%) and others (25%) Midsole: Bio-based E.V.A. (69%, including 39% sugar cane), recycled E.V.A. (8%) and others (23%) Outsole: Amazonian rubber (28%), mineral silica (28%), synthetic rubber (28%) and others (16%) Lining: Recycled polyester (100%) Laces: Organic cotton (100%) Made in Brazil Alveomesh is a technical fabric made exclusively from recycled polyester. It brings breathability, flexibility, and lightness to the shoe.