The Upper is made from a matte finish grain effect breathable vegan eco-microfiber which is lightweight, antibacterial, eco-friendly and highly resistant, even against chemical agents. This material carries the Oeko-Tex Standard 100 class 1 seal which certifies that the material has passed the most stringent controls and can be declared eco-friendly and free of agents harmful to health and the environment.. Toe guard made from a vegan eco-microsuede. Eco-microfiber lining and insock made from recycled PET and natural corn fiber. This material is highly breathable, durable, absorbent, fast drying and carries the Oeko-Tex standard 100 class and GRS (Global Recycling Standard) certification. Sole made from recycled rubber (70% recycled rubber). Insole padding made from a high density recycled cork and foam for extra comfort. Laces made from organic cotton. Upper paddings made from natural latex. Toe puff and counter stiffener made from recycled material (80% recycled). Insole board made from recycled material. Shoe has been made with water based glues. Made with love in Portugal. 100% Vegan