The suede is made from the bottom of the beef skin previously brushed to make it softer and more flexible. It comes from farms from southern Brazil (Rio Grande do Sul). It is tanned in Brazil, respecting Reach standards. Special attention is paid to the use of water Dur Suede the tanning process. Suede is also covered with hydrophic oils without PFCs (chemical compounds) to protect light rain shoes. The suede is certified Silver by the Leather Working Group. Upper material: Suede Panels: Suede Logo of the V: Amazon Rubber (26%), mineral silica (22%), synthetic rubber (14%) and others (38%) Template: Amazon's rubber (11%), E.V.A. * Organic (42% sugarcane), E.V.A.* Recycling (11%), organic cotton (12%) and others (14%) latex insert: L-FOAM (30% natural latex and 70% synthetic latex) Synthetic latex) Intermediate sole : E.V.A.* Organic (38%sugarcane) and others (47%) Exter (100%recycled polyester) LACES: Organic cotton (100%) Rear loop: Recycled polyester (100%) made in Brazil