Upper : Leather Insole : Amazonian rubber (11%), E.V.A. bio-sourced (42% sugar cane), recycled E.V.A. (11%) and organic cotton (12%) Outsole : Amazonian rubber (40%), mineral silica (23%), recycled rubber (10%), synthetic rubber (11%) and others (16%) Welt : Synthetic rubber (40%), mineral silica (22%) and others (38%) and Synthetic rubber (40%) and mineral silica (22%) Lining : Recycled polyester (100%) Laces : Organic cotton (100%) Made in Brazil