Our ethical lace up. With a sustainable approach as its foundation, we researched and?experimented?with a broad range of materials that allows our Margate Lace Up Plimsoll to have as little?inpat?on the?environment?as possible. The soles are made using BIO materials, not only for its super soft and flexible properties, but they start to break down under?landfilled?conditions. All uppers are cut from organic cotton canvas and trimmed with butter soft chrome free leathers. Signature EST. 1970?embossed?on heel.