Upper:Flannel (recycled polyester) Panels:Leather and suede Logo V:Amazonian rubber (26%) Insole:Amazonian rubber (11%), sugar cane (42%), recycled E.V.A.* (11%), organic cotton (12%) and others (14%) Sole:Amazonian rubber (40%), silica (23%), recycled rubber (10%), synthetic rubber (11%) and others (16%) Lining:Tech (100% recycled polyester) Laces:Organic cotton (100%) Made in Brazil Flannel is a 100% recycled fabric brushed to create extra softness. *ethylene vinyl acetate