Upper : Alveomesh (100% recycled polyester) Panels : Suede, V-Knit and Alveomesh Logo V : Amazonian rubber (26%) Insole : Amazonian rubber (12%), sugar cane (42%), recycled polyester (23%) and others (12%) Midsole : E.V.A.* (38% sugar cane and 47% others) Outsole : Amazonian rubber (31%), silica (31%), synthetic rubber (19%) and others (19%) Cushion latex : L-Foam (30% natural latex from Brazil) Lining : Tech (100% recycled polyester) Laces : Organic cotton (100%) Backloop : Recycled polyester (100%) Made in Brazil The Alveomesh is a technical fabric made out exclusively of recycled polyester. It brings breathability, flexibility and lightness to the shoe.