These are unused and brand new in box! Upper: ChromeFree leather Panels: ChromeFree leather Logo V: Amazonian rubber (26%), silica mineral (22%), synthetic rubber (14%) and others (38%) Insole: Amazonian rubber (11%), bio-based E.V.A.* (42% sugar cane), recycled E.V.A. (11%), organic cotton (12%) and others (14%) Outsole: Amazonian rubber (40%), silica mineral (23%), recycled rubber (10%), synthetic rubber (11%) and others (16%) Welt: Synthetic rubber (40%), silica mineral (22%) and others (38%) Lining: Tech (100% recycled polyester) Laces: Organic cotton (100%) Made in Brazil The bovine ChromeFree leather is smooth and light. Coming from farms located in the south of Brazil (Rio Grande do Sul), it undergoes an innovative tanning process where no chrome, heavy metals, or dangerous acids are involved.