Upper material : leather. Panels : leather and suede. V Logo : suede. Insole : Amazon rubber, sugar cane, recycled EVA and organic cotton. Outsole : Amazon rubber (31%), rice waste (22%) and recycled rubber (12%). Lining : Tech (100% recycled polyester). Laces : organic cotton (100%). Made in Brazil. The cowhide comes from farms in Uruguay, a country known for its cattle culture and the quality of its leather. It is tanned in Brazil, respecting Reach regulations. Special attention is paid to the use of water during the tanning process. The suede is made from the underside of cowhide that has been previously brushed to make it softer and more flexible. It comes from farms in southern Brazil (Rio Grande do Sul). It is tanned in Brazil, respecting Reach regulations. Special attention is paid to the use of water during the tanning process. The suede is also coated with PFC-free (chemical compounds) water-repellent oils to protect the shoe from light rain.