Cool flat ankle -high boots with lambskin fodder. Super comfortable and nice and warm. The inner sole is removable. The outsoles are made of rubber. The upper (smooth leather) is made of chrome -free and vegetable tanned leather. The lambskin for these fed shoes comes from European production. The inner sole is removable. The outsoles are made of rubber. All greenova and green leg shoes and sandals are made in Portugal made of Portugal under fair working conditions. The tub is also carried out in the EU - everything is chrome -free and without PVC. According to the EU standard (with fair wages for trained experts), they are made to a high proportion in small workshops in Portugal. The boots and the day -to -day bed are made of chrome -free and vegetable tanned leather. The factory is a member of the Leather Working Group, at Biocouro-Real Leather and at Biocuoro-Think Circular.