Beautiful leather lace -up boots with wool food, which protects well from the cold. Vegetable leather, 100% chrome -free Upper: Leather tanned leather Food: wool KBT Deck soles: wool KBT Inner sole: recycled Eva Sole: rubber The vegetable -tanned leather used are free of harmful chrome and heavy metals such as cadmium and lead and thus not only harmful to harmful substances and well to the skin, but also well for the environment. The lifespan of vegetable leather is also a lot higher due to the gentler tanning processes than that of chrome leather. All skins are covered exclusively from Europe and tanned in Spain, Portugal or Germany. The leather shoes are made in a family business in Elche, Spain.