The Tacco Luxus Leather Insoles are made of genuine sheep leather. It has a soft foam layer with activated carbon to prevent foot odor. The Tacco Luxus Leather Insoles are made of genuine sheep leather. It has a soft foam layer with activated carbon to prevent foot odor. These thin and effective insoles are perfect for dress or casual shoes. Increase cushioning and prevent any pain while walking. Made in Germany.Increase cushioning and prevent any pain while walking. Made in Germany.